4 years ago

Answer the following questions: 2x+5, 11-3x, x²+4x, and x-7

Mathematics

1 answer:

NISA [10]4 years ago

4 0

Answer:

$2 x + 5 = \\ 2x = - 5 \\ x = \frac{ - 5}{2}$

$11 - 3x = \\ - 3x = - 11 \\ 11 = 3x \\ x = \frac{11}{3}$

$x - 7 = \\ x = 7$

x²+4x=??

You might be interested in

What is the value of x when y has a value of -9 ? -3x = y + 51

andreyandreev [35.5K]

The best option here is option B) -14

3 0

3 years ago

A bank offers a home improvement loan with simple interest at an annual rate of 12%. J.T. borrows an amount of $14,000 to pay ba

alisha [4.7K]

12%*14000*3

Which is 5040

Therefore, it will have to pay back $4050

8 0

3 years ago

0.4x3.2<br> Step by step

agasfer [191]

Answer:

Step-by-step explanation:

0.4 × 3.2

Convert to fraction

0.4 = 4/10 = 2/5 & 3.2 = 32/10 = 16/5

0.4 × 3.2 = 2/5 × 16/5 = 32/25 = 1.28

Without conversion you press ur calculator and you get 1.28

5 0

4 years ago

Which of the following is not a solution for x < 8?

aliina [53]

X = 9 is the only choice that is not a solution.

Explanation:
7.95, 4.3, and -3 are all values that are less than 8. For instance, if you were to plot these values on a number line, 9 would be the only value to the right of 8 or the only value that surpasses 8.

4 0

3 years ago

What is -5x - 3y = 21 in slope-intercept form?

djyliett [7]

Answer:

$\displaystyle y = -1\frac{2}{3}x -7$

Step-by-step explanation:

−5x - 3y = 21

+ 5x + 5x

__________

$\displaystyle \frac{-3y}{-3} = \frac{5x + 21}{-3} \\ \\ y = -1\frac{2}{3}x - 7$

I am joyous to assist you anytime.

7 0

4 years ago

Answer the following questions: 2x+5, 11-3x, x²+4x, and x-7​

Answer the following questions: 2x+5, 11-3x, x²+4x, and x-7