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nevsk [136]
3 years ago
6

Solving a Multi-Step Equation

Mathematics
2 answers:
hodyreva [135]3 years ago
7 0
Your answer will be 15 no need to thank me
VLD [36.1K]3 years ago
5 0

Answer:

x = 15

Step-by-step explanation:

I have this all put under a photo. Let me know if you need any explanation

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Scientists estimate that about 14 million species exist, and only about 50% of them have been studied and named. About how many
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Answer:

About 7 million

Step-by-step explanation: because half of 14 is 7 then add the million to it

5 0
3 years ago
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A 15% discount saves you $5 off the price of an electronic game. How much do you save off the regular price if the discount is w
chubhunter [2.5K]

Answer:

The 45% off discount saves an additional $10 compared to the 15% discount for a total of $15 off regular price.

Step-by-step explanation:

We can find the original price of the game through a proportion. A proportion is an equation where two ratios or fractions are equal. The ratios or fractions compare like quantities. For example, we will compare percent over percent to an equal ratio  of $ to $. Since 15% of 100% is the same ratio as $5 to the unknown original $ price, I write:

\frac{15}{100} =\frac{5}{y}

I can now cross-multiply by multiplying numerator and denominator from each ratio.

15y=100(5)\\15y=500

I now solve for y by dividing by 15.

\frac{15y}{15} =\frac{500}{15} \\y= 33.33333....

The original price was $33.34.

Now, we can find the amount if 45% off and then then compare the two discounts. To find the percent off I can multiply by 0.45(33.34)=15. The 45% off discount saves an additional $10 compared to the 15% discount.

4 0
3 years ago
A sanitation company charges $4 per bag for garbage pickup plus a $10 weekly fee. A restaurant has 14 bags of g garbage. What wi
soldi70 [24.7K]

Answer:

<h2>$66</h2>

Step-by-step explanation:

Step one:

given data

charges

$4 per bag

$10 weekly fee

let the number of bag be x

and let the total charges be y

<em>the linear function for the total per week is</em>

<em>y=4x+10</em>

Step two:

the independent variable is the weekly fee of $10

for x=14

y=4(14)+10

y=56+10

y=$66

6 0
3 years ago
Please I need x and y
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It could be anything they are both variables.
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3 years ago
Find the coordinates of the reflection: B (8,-1) is reflected over the y-axis
Stolb23 [73]

Answer:

good for u

Step-by-step explanation:

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3 years ago
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