find -15(-8)

A. 120
B. 80
C. -23
D. -120

Answers

Answer 1

Answer:

A

Step-by-step explanation:

-15(-8)

=+(15*8)

=120

So, the ans is A


Related Questions

NEED HELP ASAP Let the function f(x) have the form f(x) = Acos(x+C). To produce a graph that matches the one shown below, what must the value of C be?

Answers

Answer:

[tex]C = 2[/tex] (A)

Step-by-step explanation:

We assume the constant A is different than 0

We notice that the graph of the function intercepts the x-axis when x = -0.5

we know that cos(x) = 0 when x = π/2 or x = -π/2

thus, [tex]-0.5 + C = \pi /2[/tex]    or  [tex]-0.5 + C = -\pi /2[/tex]

then [tex]C = \pi /2 + 0.5 = 2[/tex]  or [tex]C = -\pi /2 = 0.5 = -1[/tex]

so [tex]C = 2[/tex]

What is the simplified form of [tex]3\sqrt{135}[/tex]?

Answers

The answer is: [tex]9\sqrt{15}[/tex]

=5.12992784
Rounded to the nearest 1d.p would be 5.1
And to the nearest whole number it would be 5

Solve the equation 3u+6=22

Answers

Step-by-step explanation:

3u+6=22

3u=16

u=16/3

!!!!!!!!!!!

Which of the following pairs of functions are inverses of each other?

Answers

Answer:

do you have a picture or something So I can answer your question?

Step-by-step explanation:

Option-A is accurate because f(x) = 9(x/2)-8 and g(x) = 2(x+8)/9 are the values we get when solving the function.

What is inverse function?

A function receives values, performs certain operations on them, and outputs a result. After acting and concurring with the result, the inverse function switches back to the original function.

The inverse function, which also returns the initial value, returns the result of a function.

this selection. Option-A is the proper choice, so

f(x)=9(x/2)-8

consider the f(x)=y

y=9(x/2)-8

y+8=9(x/2)

(y+8)/9=x/2

2(y+8)/9=x

g(x)=2(x+8)/9

As a result, Option-A, which states that when the function is solved, the output is the inverse function, is correct. Its values are f(x) = 9(x/2)-8 and g(x) = 2(x+8)/9.

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2kg 300g - 375g help

Answers

Answer:1925g=1kg 925g

Step-by-step explanation:

1kg=1000g

2kg=2000g

2kg 300g=2300g

2300-375=1925g=1kg 925g

Can someone please help me out with this question

Answers

Answer:

C.

Step-by-step explanation:

the sum of 3x^2 -8x -2 and 4x -2 is?

Answers

Answer:

3x^2−4x−4

Step-by-step explanation:

3x^2−8x−2+4x−2

=3x^2+−8x+−2+4x+−2

3x^2+−8x+−2+4x+−2

=(3x^2)+(−8x+4x)+(−2+−2)

=3x^2+−4x+−4

Answer:

 3x^2 + 4x - 4

Step-by-step explanation:

 3x^2 - 8x - 2

+           4x - 2

––––––––––––

  3x^2 + 4x - 4

group the like terms separately? 3v^5-10v^2-12v^5+14v^2​

Answers

so here you just add them as if they were regular numbers. -9v^5+4v^2, hope it helped.

please help guys! i don’t wanna fail

Answers

Answer:

25: 6,000

26: 450

27: 70,000,000

28: 10,500

29: 3,052

30: (cant really see the exponent but I think its 10^5)  500,000

31: 9.87

32: 5.43

The perimeter of a rectangle is 84 cm. If the length is 29 cm write an equation you can use to answer this question

Answers

Answer:

Width = 13

Equation: 2 × 29 + 2W = 84

Step-by-step explanation:

Ace here!

I'm going to assume that we have to find the width. In a rectangle, there are 4 sides and opposite sides are congruent.

Let L represent the length and W represent the width.

Since there are 4 sides, we know that to find the of a rectangle perimeter, we have to do:

L+L+W+W=Perimeter

Let's first simplify this equation by combining like terms:

2L+2W = Perimeter

Now, let's plug in known values:

2(29) + 2W = 84

Divide everything by 2:

29+W=42

Isolate W:

W=42-29

W=13

Keep in mind, I didn't have to divide by 2 at the step that I had. I could've also done this:

2(29) + 2W = 84

Simplify:

58+2W=84

Bring everything to one side:

2W=26

Isolate W by dividing 2:

W=13

Two different slightly approaches, same answer.

I hope that helped, let me know if you have any questions.

Jackie bought an iphone for $200. Find the total
cost including a 7% sales tax,

Answers

Find 7% of 200

7% = 7/100

Divide 7 by 100

7/100

= 7 ÷ 100

= 0.07

Multiply 0.07 to 200

0.07 × 200

= 14

Add 14 to 200

200 + 14

= 214

Therefore, the total cost of the iphone including sales tax is $ 214

8. Find the area of the regular polygon.​

Answers

Answer:

To find the area of a regular hexagon, or any regular polygon, we use the formula that says Area = one-half the product of the apothem and perimeter. As shown below, this means that we must find the perimeter (distance all the way around the hexagon) and the measure of the apothem using right triangles and trigonometry. Area of a Hexagon

Step-by-step explanation:

For what value of k, do the equations 2x – 3y + 10 = 0 and 3x + ky + 15 = 0 represent coincident lines
(a) -9/2
(b) 9/2
(c) 2/9
(d) -2/9

Answers

Answer:

b

Step-by-step explanation:

hello i need help with these questions attached.

Answers

Answer:

Beep

Step-by-step explanation:

Raffle tickets cost $6 for 5 tickets. What is the price of 1 ticket? How many tickets can you get for $90​

Answers

Answer:

1 ticket is worth 1.2$

90$ gets you 75 tickets

Step-by-step explanation:

t=ticket(s)

6=5t

6/5=t

90/(1.2)=75

Answer:

1 ticket = $1.2

Step-by-step explanation:

Which solution finds the value of x in the triangle below?

Answers

Answer: B

Step-by-step explanation:

The answer would be B.

Given ΔUTS with coordinates U(-4,-3), T(-2,1), S(0,-2), rotate the figure 90° Counterclockwise about the origin

Question 8 options:

U'(-2,1) T'(-4,-2) S'(0,0)

U'(4,3) T'(2,-1) S'(0,2)

U'(3,-4) T'(-1,-2) S'(2,0)

U'(-2,-2) T'(0,2) S'(2,-1)

Answers

Answer:

U'(3,-4) T'(-1,-2) S'(2,0)

Step-by-step explanation:

Firstly, we need the general rotation method

We have this as;

(x,y) to (-y,x)

So;

U (-4,-3) becomes U’ (3,-4)

T(-2,1) becomes T’(-1,-2)

S(0,-2) becomes S’ (2,0)

Write the equation of the line that passes through the points (-8,-1) and (−2,9). Put your answer in fully reduced point-slope form, unless it is a vertical or horizontal line.

Answers

Answer:

not sure if understood you; slope: (-1-9)/(-8+2)=-10/-6=5/3, y-int: -1-(-40/3)=37/3; y=5/3x+37/3

What is the length of arc AC?

Answers

Answer:

D - 10.9m

Step-by-step explanation:

Solve c =(a² + 3b)/4 for b.

Bruv take all my points I literally blow at math :'(​

Answers

Answer:

[tex]b=\frac{4c-a^{2} }{3}[/tex]

Step-by-step explanation:

First: multiply both sides by 4. 4 times c is 4c and the other sides cancels out as you are doing the inverse operation of division

Then, you have [tex]4c=a^{2} +3b[/tex]

Subtract both sides by a squared

DO NOT TAKE THE SQUARE ROOT! This is because it is a squared plus 3b so you have to do the inverse of addition

From that you get [tex]4c-a^{2} =3b[/tex]

Finally, divide both sides by 3.

You get  [tex]b=\frac{4c-a^{2} }{3}[/tex]

What’s the answer please.

Answers

Answer:

[tex]\frac{m^{3}n+5 }{m^{2}n^{2} }[/tex]

Explanation :

is down below in the picture

Please give me brainiest!!

Which is NOT a type of federal student aid?

A. Scholarship
B. Student loans
C. Work study
D. Grants

Answers

the correct answer is c. work study

if gon had 40 tubs of orange juice then killua gave gon 29348211239587316837637869437637689767609 more tubs of orange juice, how many tubs of orange juice would gon have?

Answers

Answer:

It would be 2.9348211e+40

Step-by-step explanation:

Use a calculator

Bro no offense but use a calculator

pls solve them all pls

Answers

Answer:

Step-by-step explanation:

Hope this helps u !!

PLEASE HELP HURYYYYUUUUUHYYYYYYY

Answers

The answer (2,6) hope that helps

4 x − 3 x + 2 y (simplify)

Answers

[tex]\huge\text{Hey there!}\\\\\large\text{4x - 3x + 2y}\\\\\large\text{\underline{\underline{COMBINE the LIKE TERMS}}}\\\\\large\text{(4x - 3x) + 2y}\\\\\large\text{4x - 3x = \bf 1x }\large\text{(or you could simply say \underline{x} because a variable by itself}\\\large\text{is understood as an invisible 1)}\\\\\large\text{\bf x + 2y}\\\\\\\boxed{\boxed{\huge\text{Therefore your answer is: x + 2y}}}\huge\checkmark\\\\\large\text{Good luck on your assignment and enjoy your day!}\\\\\\\\\frak{Amphitrite1040:)}[/tex]

0.03249 in standard form to 4 significant figures is​

Answers

Answer:

3.349 • 10²

I moved the decimal over 2 spots to the left.

The button on David's coat has a radius of 4
millimeters. What is the button's diameter?

Answers

Answer:

0.013

I think.

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

So there are two things that must be remembered.

The radius is half of the diamater. It is the distance from the side of a circle to its center.

The diamater is two times the radius. It is the distance from one side of the circle to the opposite side of the circle.

In this case, we know the radius is 4.

The radius is half of the diamamter, or the diamater is two times the radius.

This can be though of as:

2r=d

Or

1/2d=r

So lets plug 4 in for r:

2*4=d = 8=d

1/2d=4 = 2*1/2=4*2 = 1d=8

So using either of these formulas, we find d is equal to 8.

Hope this helps!

What is the surface area of the right cylinder below?
18
A. 1194 sq. units
B. 880 sq. units
C. 3104 sq. units
D. 1759 sq. units

Answers

Answer: C

Step by step explanation:

The surface area of the cylinder is 1759 sq units.

What is surface area?

The surface area is the total area covered by all the faces of a 3D object.  It is always measured in square units.

Given that a cylinder with radius 10 units and height is 18 units, we need to determine the surface area of the cylinder,

The surface area of the cylinder = 2π × radius × (height + radius)

= 2 × 3.14 × 10 × (18+10)

= 1759

Hence, the surface area of the cylinder is 1759 sq units.

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Keisha runs 3 miles in 25 minutes. At the same rate, how many miles would she run in 20 minutes?

Answers

Answer:

2.4 miles

Step-by-step explanation:

Since Keishas rate is 3/25 miles per minute, we multiply the Rate with the Time (Rate * Time = Distance). So 20 * 0.12 = 2.4 miles
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