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OLga [1]
3 years ago
5

PLEASE PLEASE HELP ME OUT AND EXPLAIN

Mathematics
1 answer:
Shalnov [3]3 years ago
3 0
$4 more each time. You can tell that Raphael is growing at a rate of 6 every week (40 to 46 to 52 to 58) and Jessica is Growing at $10 each week because it is what is in front of the x. Raphael's formula would look like y=6x+40 because they started at 40 and grew by 6 every week. 
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Wren is at the grocery store buying fruit. She buys x pounds of apples for $1.68 per pound. She buys 2 fewer pounds of grapes fo
Soloha48 [4]

Answer:

The number of pounds of apples is 4.5 and the number of pounds of grapes is 2.5

Step-by-step explanation:

Let

x ------> the number of pounds of apples

(x-2) -----> the number of pounds of grapes

we know that

Solve for x

 

so

therefore

The number of pounds of apples is 4.5 and the number of pounds of grapes is 2.5

4 0
3 years ago
Read 2 more answers
On a​ map, 1 inch equals 5 miles. Two cities are 10 inches apart on the map. What is the actual distance between the​ cities?
Sedbober [7]

Answer:

50 i think. Just count by 5 to 10

7 0
3 years ago
Find the mean of this set of numbers 42,78,81,23,12
marta [7]

Answer:

47.2

Step-by-step explanation:

add all the numbers(42,78,81,23,12) then divide by the total amount of numbers(5) which will result in it being 47.2.

4 0
3 years ago
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HELP! NOW! <br> Prove the trig identity:<br> 3sinx/1-cosx=3cscx+3cotx
vichka [17]

Step-by-step explanation:

Given

To Prove

\dfrac{3\sin x}{1-\cos x}=3\csc x+3\cot x

Take the Left side of equation and rationalize

\Rightarrow \dfrac{3\sin x}{1-\cos x}\times \dfrac{1+\cos x}{1+\cos x}\\\\\Rightarrow \dfrac{3\sin (1+\cos x)}{1-\cos^2 x}\\\\\Rightarrow \dfrac{3\sin (1+\cos x)}{\sin^2 x}\\\\\Rightarrow \dfrac{3\sin x}{\sin ^2x}+\dfrac{3\sin x\cos x}{\sin^2 x}\\\\\Rightarrow \dfrac{3}{\sin x}+\dfrac{3\cos x}{\sin x}\\\\\Rightarrow 3\csc x+3\cot x

Left side is equal to right side

Hence, proved

5 0
3 years ago
One person uses an average of 60 gallons of water per day. On average, how many gallons of water would you expect a family of 4
vovikov84 [41]
The answer would be 1,680
6 0
3 years ago
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