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2 years ago

What is the solution to the equation-3(h+5)+2 = 4(h+6)- 9? h= 4 h= -2 h = 2 h = 4

Mathematics

1 answer:

ruslelena [56]2 years ago

8 0

Expanding
-3h-15+2=4h+24-9
-3h-4h=24-9-2+15
-7h=28
h=4

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What is the length of side ac of the triangle

Margarita [4]

Answer:

AC = 25

Step-by-step explanation:

Since ∠A = ∠C then the triangle is isosceles, thus BC and AB are congruent, that is

BC = AB, substitute values

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2x - 1 = 5 ( add 1 to both sides )

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2 years ago

I have 256 fence and the lengths are 3 times it's width. What are the lengths ?

larisa86 [58]

If this is a rectangle, then the answer is the length=96 units
I just formed two linear equations that follow the information.

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3 years ago

Liam wants to estimate the percentage of people who lease a car. He surveys 240 individuals and finds that 54 lease a car. Find

scoundrel [369]

Answer:

$ME= z_{\alpha/2} \sqrt{\frac{\hat p(1-\hat p)}{n}}$

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And the margin of error would be:

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Step-by-step explanation:

We have the following info given:

$n =240$ the sample size selected

$X=54$ the number of people who lease a car

$\hat p =\frac{54}{240}= 0.225$ the estimated proportion of people who lease a car

The margin of error is given by:

$ME= z_{\alpha/2} \sqrt{\frac{\hat p(1-\hat p)}{n}}$

The confidence interval is 95% and the significance level is $\alpha=1-0.95=0.05$ and $\alpha/2 =0.025$ and the critical value would be:

$z_{\alpha/2}= 1.96$

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2 years ago

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xz_007 [3.2K]

Answer:

the answer is

*x+57

Step-by-step explanation:

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3 years ago

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jasenka [17]

If the year is 52 weeks long (the average amount of weeks in a year).
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3 0

2 years ago

Read 2 more answers