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Novay_Z [31]
2 years ago
13

21 = r -5 = HOW DO WE SLOVE THIS

Mathematics
2 answers:
amid [387]2 years ago
8 0

Answer:

R = 26.

Step-by-step explanation:

The way to solve this is to add 5 to both sides.

IrinaVladis [17]2 years ago
5 0

r=4.2

It may show subtraction but it is division, 21÷5=4.2

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Quadrilateral WXYZ is on a coordinate plane. Segment XY is on the line x − 3y = −12, and segment WZ is on the x − 3y = −6. Which
Nostrana [21]

Answer:

Equation shown

Step-by-step explanation:

Eq(1): x-3y=-12

X=-12+3y

=-4+y

Eq(2): x-3y=-6

X=-6+3y

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4 0
3 years ago
Read 2 more answers
Brandon is paid 150% of his regular hourly rate for overtime hours. He is paid \$45.00 an hour for overtime hoursWhat is his reg
Ne4ueva [31]

Answer:

Regular hourly rate for Brandon is $30

Step-by-step explanation:

Let the payment for regular hours be $x

given that

Brandon is paid 150% of his regular hourly rate for overtime hours

payment for overtime hours = 150% of payment for regular hours

payment for overtime hours = 150/100 * x = 3x/2

Given that He is paid \$45.00 an hour for overtime hours

thus,

3x/2 = 45

=> x = 45*2/3 = 30

Thus,  regular hourly rate for Brandon is $30

3 0
3 years ago
On the trip from KC to Springfield, the church van consumed 15 gallons of gas to go 179 miles. If gas cost $2.58 per gallon, wha
Otrada [13]

Answer:

$77.4

Step-by-step explanation:

GIVEN: On the trip from KC to Springfield, the church van consumed 15 gallons of gas to go 179 miles. If gas cost \$2.58 per gallon.

TO FIND: Cost of a round trip to Springfield.

SOLUTION:

Distance of springfield from KC =179\text{ miles}

As it is a round trip total distance =2\times179=358\text{ miles}

As 15 gallons gas used for 179 miles distance

gas required for 1 mile =\frac{15}{179} gallons

gas required for 358 miles =\frac{15}{179}\times2=30 gallons

cost of one gallon of gas =\$2.58

cost  of 30 gallons of gas =30\times2.58=\$77.4

Hence cost of roundtrip to Springfield is $77.4

6 0
3 years ago
Write each multiplication equation in the correct box.
juin [17]

Answer:

Figure it on your own

Step-by-step explanation:

Because i said so

5 0
3 years ago
Solve by elimination:<br> x + 9y = 8<br> -6X - 9y = -3
WITCHER [35]

Answer:

(-1,1)

Step-by-step explanation:

x + 9y = 8

-6x - 9y = -3

Add the two equations together to eliminate y

x + 9y = 8

-6x - 9y = -3

---------------------

-5x   = 5

Divide by -5

-5x/-5 = 5/-5

x = -1

Now solve for y by substituting into the first equation

x+9y = 8

-1 + 9y =8

Add 1 to each side

-1+1 + 9y = 8+1

9y=9

Divide each side by 9

9y/9 = 9/9

y = 1

5 0
3 years ago
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