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Nastasia [14]
3 years ago
6

For what value of x will 55 and x have the mean (average) as 67

Mathematics
2 answers:
Yuki888 [10]3 years ago
7 0
<span>To calculate the mean of two numbers you add them together and divide the sum by 2.
We can set up an equation for this problem: (x+55)/2 = 67

Now we need so solve for x: (x+55) = 67x2
x+55 = 134
x = 134-55
x = 79

Hope this helps, and May the Force Be With You!

<span>-Jabba</span>
</span>
AlekseyPX3 years ago
4 0
If (55 + x)/2 is to be 67, then 55+x = 2*67, so x = 2*67 - 55 = 79
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2 years ago
Find the equation of a line that passes through (2,8) and is parallel to the graph of y=2x+6. Write the equation in slope-interc
Rashid [163]

Answer:

The equation of a parallel line would be y = 2x + 4

Step-by-step explanation:

In order to find the equation of this line, we first have to note that paralell lines have same slopes. Therefore, since the original line has a slope of 2, we know the new line will have a slope of 2. Now we can use that information along with the given point in point-slope form to find the equation.

y - y1 = m(x - x1)

y - 8 = 2(x - 2)

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3 0
2 years ago
Fifty students in the seventh grade are trying to raise at least $2000 for sports supplies. They already raised $750. How much s
Vaselesa [24]

Answer:

x ≥ 25

Step-by-step explanation:

In the seventh grade, fifty students are trying for sports supplies to raise at least $2000. They already have $750.

Let us assume that each student has to raise $x more to meet the goal.

Then, a total of 50 students will raise $50x more.

Therefore, the inequality to solve for x will be  

750 + 50x ≥ 2000

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4 0
2 years ago
What is 1/7 divided by 252 ?
miskamm [114]

Answer:

In decimal form: 0.00056689342 (If wanted to round to nearest thousandth, 0.001)

In fraction form: \frac{1}{1764} or \frac{28344671}{50000000000}

Step-by-step explanation:

\frac{1}{7}\div \:252=\frac{1}{1764}

\mathrm{Convert\:element\:to\:fraction}:\quad \:252=\frac{252}{1}\\=\frac{1}{7}\div \frac{252}{1}

\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{b}\div \frac{c}{d}=\frac{a}{b}\times \frac{d}{c}\\=\frac{1}{7}\times \frac{1}{252}

\mathrm{Multiply\:fractions}:\quad \frac{a}{b}\times \frac{c}{d}=\frac{a\:\times \:c}{b\:\times \:d}\\=\frac{1\times \:1}{7\times \:252}

\mathrm{Multiply\:the\:numbers:}\:1\times \:1=1\\=\frac{1}{7\times \:252}

\mathrm{Multiply\:the\:numbers:}\:7\times \:252=1764\\=\frac{1}{1764}

Hopes this helps you!

Have a wonderful night!

Happy Monday!

5 0
3 years ago
What value of x makes the equation 5(x - 3) + 2x = 41 TRUE?
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Answer: x = 8

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7 0
2 years ago
Read 2 more answers
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