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3 years ago

Match the equation with its corresponding solution for x: 4x+7=35

1 answer:

7 0

4x+7=35
4x=28
x=7

A corresponding solution of the matching equation is a fancier way of telling you to find the number that represents x

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What is the quotient?<br> (-3)<br> (-3)2

Ann [662]

Answer:

the answer is 1/9

Step-by-step explanation:

-3^0 divided by -3^2= 0.111111111

0.111111111 converted it equals 1/9

7 0

2 years ago

The equation y 4.9t 2 3.5t 2.4 relates the height y in meters to the elapsed time t in seconds for a ball thrown downward at 3.5

tamaranim1 [39]

Answer:

$t \approx 0.43\,s$

Step-by-step explanation:

The vertical displacement function is $y(t) = -4.9\cdot t^{2}-3.5\cdot t + 2.4$ , where $y(t)$ is measured in meters and $t$ in seconds. Ball hits the ground when $y(t) = 0$ . That is:

$-4.9\cdot t^{2}-3.5\cdot t + 2.4 = 0$

Whose roots can be found by using the General Formula for Second-Order Polynomials:

$t_{1,2} = \frac{3.5\pm \sqrt{(-3.5)^{2}-4\cdot (-4.9)\cdot (2.4)} }{2\cdot (-4.9)}$

Solutions of this polynomial are:

$t_{1} \approx 0.43\,s,t_{2} \approx -1.14\,s$

Only the first root is physically consistent.

3 0

3 years ago

Whose answer do you think is more likely to be representative of all the students in the schools? Explain.

maxonik [38]

Answer:

Jordan's answer

Step-by-step explanation:

Because she went us to random people versus only the 8th grade kids

4 0

2 years ago

What is the radius of a circle given by the equation x2 + y2 – 2x + 8y – 47= 0?

miv72 [106K]

Answer:

Step-by-step explanation:

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4 0

3 years ago

Read 2 more answers

Jenny asked 10 students how many courses they have taken so far at her collegeHere is the list of answers, 12, 10, 14, 7, 1, 19,

olga_2 [115]

60%, she asked 10 students and 6 of them had less than 16. 10/6= .6

5 0

3 years ago