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3 years ago

This graph shows how much lisa earns babysitting compared with thge number of hours she works

Mathematics

1 answer:

madam [21]3 years ago

6 0

Answer:

For every hour she earns 12$

Step-by-step explanation:

If your question looks like the picture, then the answer above is the right answer. If it's not, oh well, show the picture next time!

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A car starts from rest and accelerates for 6.2 seconds for a total of 160m. What is the acceleration of the car

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8.32 m/s^2

Step-by-step explanation:

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3 years ago

In the first week of July, a record people went to the local swimming pool. In the second week, fewer people went to the pool

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3 years ago

8 2/10 - 3 2/8 =? help.plz

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It =
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3 years ago

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Which of the following statements must be true, given that ΔABC≅ΔXYZ, and the measure of ∠C is 32°

attashe74 [19]

$\huge\boxed{\boxed{\underline{\textsf{\textbf{Answer}}}}}$

Given,

ΔABC ≅ ΔXYZ

If these 2 triangles are congruent with each other then,

∠ A = ∠ X $\boxed{\bf{Corresponding \ parts \ of \ congruent \ triangles}}$

∠ B = ∠ Y $\boxed{\bf{Corresponding \ parts \ of \ congruent \ triangles}}$

∠ C = ∠ Z $\boxed{\bf{Corresponding \ parts \ of \ congruent \ triangles}}$

Now,

We saw that ∠ C = ∠ Z.

⟹ So, if ∠ C = 32°, then even ∠ Z will be equal to 32°. $\boxed{\sf{Equal \ angles \ have \ equal \ measurements}}$

ᶛɲƧཡэʀ ↦ C. m ∠X = 32°

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐

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3 years ago

Jack travels to work on the Eastern Freeway. He notices that the difference in time between if he drives 5 mph below the speed l

Misha Larkins [42]

Let's denote s as the speed limit. To find the total time it takes for Jack to drive given the speed, we just divide the total number of miles he covered (10 miles) by the speed he's traveling at.

Accounting for the given of the problem, we'll have the following equation:
$\frac{10}{s-15} - \frac{10}{s-5}= \frac{1}{30}$ (from the fact that the difference between the time it takes to drive five miles below the speed limit versus 15 miles below is 2 mins or $\frac{1}{30}$ hours.)

Since we only have one unknown variable, we can freely solve for s:
$\frac{10}{s-15} - \frac{10}{s-5}= \frac{1}{30}$
$\frac{10(s-5)-10(s-15)}{(s-15)(s-5)}= \frac{1}{30}$
$\frac{10s-50-10s+150}{s^{2}-5s-15s+75}= \frac{1}{30}$
$\frac{100}{s^{2}-20s+75}= \frac{1}{30}$
$3000=s^{2}-20s+75$
$0=s^{2}-20s-2925$
$s_{1}=65$
$s_{2}=-45$ (we ignore the negative value since there is no negative speed.)

ANSWER: The speed limit of the freeway is 65 mph.

3 0

4 years ago

Read 2 more answers