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3 years ago

Which of the following is a quadratic function?

Mathematics

1 answer:

Galina-37 [17]3 years ago

4 0

Answer:

First answer at the top.

Step-by-step explanation:

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7(5x - 13) = 14

vfiekz [6]

Answer:

Part A, one solution

Part B, x=3

Step-by-step explanation:

divide both sides of the equation by 7 (5x-13=2)

move the constant to the right hand side and change its sign (5x=2+13)

add numbers (5x=15)

divide both sides of the equation by 5 (x=3)

hope this helps, have a good day

5 0

3 years ago

Jamya is making a rectangular blanket. The length of the blanket is 10inches greater than it's worth, W, in inches. Write the fu

natta225 [31]

Answer: (w² + 10)inches²

Step-by-step explanation:

Since the width of the rectangular blanket is given as w and the length of the blanket is 10inches greater than it's width, therefore the length will be:

= 10 + w.

Therefore,

length = 10 + w

width = w

Area = length × width

Area = (10 + w) × w

Area = 10w + w²

Therefore, the area of the blanket will be (w² + 10)inches².

3 0

3 years ago

Write the resultant of the two vectors as an ordered pair. –6 5 and 6 –5

RideAnS [48]

Answer:

Resultant vector of two vectors is (0, 0).

Step-by-step explanation:

in this question two vectors having ordered pair (-6, 5) and (6, -5) have been given.

We can represent these vectors in the form of

$\vec{A}=-6\hat{x}+5\hat{y}$

and $\vec{A'}=6\hat{x}+(-5)\hat{y}$

Now the resultant of these vectors will be = A + A'

A + A' = $\vec{A}=-6\hat{x}+5\hat{y}$ + $\vec{A'}=6\hat{x}+(-5)\hat{y}$

So the resultant vector = (0 + 0)

Therefore the resultant will be (0, 0)

8 0

4 years ago

Read 2 more answers

Solve for x<br> Enter the solutions from least to greatest.<br> -4x^2– 7 = -11

Pavlova-9 [17]

Answer:

x = 1, x = -1

Step-by-step explanation:

-4x² = -4

x² = 1

x = $\sqrt{1}$

x = ±1

3 0

4 years ago

Convert 9.8 cm to mm. (please show the steps to how you did the problem.)

UNO [17]

Answer:

0.98

Step-by-step explanation:

$9.8 \div 10 \\ 0.98 \\ so \: answer \: is \: 0.98$

4 0

3 years ago

Read 2 more answers