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3 years ago

20 points.....10u+4u-8u-3u now state the coefficient of the variable in the expression

1 answer:

5 0

10,4,-8,-3 these are the coefficients. Corrections are numbers that come before a variable so for example, the coefficient in 4x would be 4 so the number next to the variable

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The line plot shows the number of minutes each student in Ms. Johnson's class spent

polet [3.4K]

The line plot shows it increases

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2 years ago

Let f (x)=x-2 and g(x)=x to the second power -7x-9.find f (g(-1))

Degger [83]

f(g(-1)) = - 3

Evaluate g(-1) and substitute into f(x)

g(-1) = (-1)² -7(-1) - 9 = 1 + 7 - 9 = - 1

f(g(-1)) = (-1) - 2 = - 3

5 0

2 years ago

Why is the value of q?

Rudiy27

Given:

QSR is a right triangle.

QT = 10

TR = 4

To find:

The value of q.

Solution:

Hypotenuse of QSR = QT + TR

= 10 + 4

= 14

Geometric mean of similar right triangle formula:

$\frac{\text { hypotenuse }}{\text { leg }}=\frac{\text { leg }}{\text { part }}$

$$\Rightarrow \frac{14}{q} =\frac{q}{4}$

Do cross multiplication.

$$\Rightarrow14\times 4 =q\times q$

$$\Rightarrow 56 =q^2$

Switch the sides.

$$\Rightarrow q^2 =56$

Taking square root on both sides.

$\Rightarrow q =2 \sqrt{14}$

The value of q is $2 \sqrt{14}$ .

8 0

3 years ago

Ellen claims she has a coin that is weighted so that the probability of heads is 70%.

kvasek [131]

<span>Outcome Heads Tails
Relative Frequency 0.69 0.31

so first statement is false as 69% is close to 70%.

second statement is false as heads probability is close to 70%

last 2 statements are true:

</span><span>The theoretical probability of tails is most likely 30%.

It is likely that the coin is not fair.
</span>

5 0

3 years ago

Read 2 more answers

My Christmas present to you

oksano4ka [1.4K]

Answer:

Step-by-step explanation:

if you need help let me know

8 0

2 years ago

Read 2 more answers