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3 years ago

I need help with this

Mathematics

1 answer:

AveGali [126]3 years ago

3 0

Answer:

-3,1

Step-by-step explanation:

4(x-1)=3(x+3)

4x-4=3x+9

x=13

Denominator of a fraction cannot be zero. If it’s a zero the answerwill be undefined.

Therefore :

X-1 cannot be 0

Xcannot be 1

X+3 cannot be 0

X cannot be -3

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s2008m [1.1K]

You have to find the unit rate

SO..

7.70 / 154 = 0.05

So it cost her 0.05 cents for each text.

So then you divide $ 5.25 by the unit rate to get the number of text

5.25 /0.05 = 105

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To check it you just multiply the unit rate by the number of text you got and you show come up with $ 5.25

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3 years ago

The histogram shows the ages of people in a community chorus. How many people in the chorus are 50 or older? Enter your answer i

Vilka [71]

Answer:

Step-by-step explanation:

The computation of the number of people in the chorus are 50 or older is as follows

According to the attached figure

In the age of 50 - 60 , there is 8 people

In the age of 60 - 70 , there is 4 people

In the age of 70 -80, there is 1 people

So, if we do the total that comes

= 8 people + 4 people + 1 people

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3 years ago

mrs peters bought 7 1/2 yards of fabric she needs another 4 7/8 yards how many yards of fabric does she need altogether

Nataliya [291]

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3 years ago

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3 years ago

Find the value of r so the line that passes through the pair of points has the given slope.

SOVA2 [1]

Answer:

The missing value in the ordered pair is 66

Step-by-step explanation:

Given that:

(12,10) and (-2,r)

Slope = m = -4

We have to find the value of r so that the line has a slope of -4.

Slope is the steepness of line which is denoted by m.

Here,

$x_1=12, y_1=10\\x_2=-2, y_2=r$

Putting the values in slope of line formula,

$-4=\frac{r-10}{-2-12}\\ -4=\frac{10-r}{-14}\\$

Multiplying both sides by -14

$-4*-14=\frac{r-10}{-14}*-14\\56=r-10\\56+10=r\\66=r\\ r=66$

The value of r is 66

Hence,

The missing value in the ordered pair is 66

4 0

3 years ago