3 years ago

Which rate is a unit rate?

Mathematics

2 answers:

Alex Ar [27]3 years ago

4 0

D is an example of unit rate

rosijanka [135]3 years ago

3 0

I'd say D because it's pretty much saying you travel 34 miles per gallon.

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Write an equation of the line that passes through the points (1,4), (3,7)

victus00 [196]

Answer:

y=1.5x+2.5

Step-by-step explanation:

First you find the slope:

$\frac{7-4}{3-1}$ or $\frac{3}{2}$

lets change it into 1.5

Then write it in point-slope: (I used (1,4))

y-4=1.5(x-1)

y-4=1.5x-1.5

y=1.5x+2.5

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3 years ago

What is the correct solution for -12 < 5x + 13 < -2?

drek231 [11]

-12<5x<-2-13
-12<5x<-15
-12/5 < x < -15/5
-12/5 < x < -3
-2.4 < x < -3
Or
-3 > x > -2.4

Hence, x is more than -2.4 but less than -3.

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3 years ago

A company that makes hair-care products had 6,000 people try a new shampoo. Of the 6,000 people, 48 had a mild allergic reacti

soldier1979 [14.2K]

Answer:

I would say 2880 sorry if am wrong

Step-by-step explanation:

6000*48=288,000 then divide by 100 because percent means 100. 288,000/100= 2,880. hope this helps can I get brainlist and add effort before you come to look for anwer.

3 0

3 years ago

Identify the equivalent expression to the square root of x plus 3

Ann [662]

Answer:

${x}^{2} + 3$

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3 years ago

Combine like terms to create an equivalent expression.<br> 3.4-2.8d+2.8d-1.33.4−2.8d+2.8d−1.3

zysi [14]

Hey there!

Let's combine like terms!

First, let's write them together, like so:

-2.8d+2.8d-2.8d+2.8d-1.33+3.4-1.33

And now we can see that -2.8d and 2.8d cancel out:

-2.8d+2.8d-1.33+3.4-1.33

And they cancel out again:

-1.3+3.4-1.33

Now all we have to do is add the numbers together:

0.77

Hope it helps!

$**GraceRosalia **$

$BRAINLIEST \\PLEASE\\AND\\GOOD\\LUCK\\WITH\\YOUR \\STUDIES! :-)$

3 0

3 years ago