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Varvara68 [4.7K]
3 years ago
5

Solve the equation 42=7r r=​

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
8 0

Answer: r=6

Step-by-step explanation:

Because if 42 equals 7 times r you just have to divide 42 by 7.

GuDViN [60]3 years ago
4 0

Answer:

6

Step-by-step explanation:

42=7r

Switch sides

7r=42

Divide both sides by 7

\frac{7r}{7} =\frac{42}{7}

Simplify

r=6

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erma4kov [3.2K]

Answer:

1 A, 2c, 3A,

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Step-by-step explanation:

4 0
2 years ago
The owner of a bike shop sells unicycles and bicycles and keeps inventory by counting seats and wheels. One day, she counts 21 s
Artemon [7]
U=-2b+30

u+b=21 
<span>in slope intercept form this is </span>
<span>u=-b+21 </span>

<span>The same thing for wheels is </span>
<span>2b+u=30 </span>
<span>or </span>
<span>u=-2b+30</span>
6 0
3 years ago
How do you know before graphing, that a system of equations will have exactly one solution?​
ollegr [7]

Answer: Because an equation is a simulation of a variety of numbers and due to the inevitability that all mathematical questions are designed to only have one answer,You can only get one solution

Step-by-step explanation:

4 0
3 years ago
Which has the same value as 5/8 ÷2.. A 5/8 × 2/1. b. 8/5 ×2/1 . c5/8 ÷2/1. .d.5/8 × 1/2​
Kisachek [45]

Answer:

5/8 x 1/2

Step-by-step explanation:

To change division into multiplication, you must find the reciprocal by flipping the second fraction (note that if it is a whole number, as in this case, it is technically over 1).

(5/8)/(2/1) = (5/8)(1/2)

d. is your answer.

~

4 0
3 years ago
There are two triangles one has a base of 8 cm and a hieght of 10 cm the other has a base of 5 cm and a height of 13 cm which tr
kramer

Answer:

The triangle with base 8 cm and height 10 cm.

Step-by-step explanation:

A

r

e

a

△

=

1

2

⋅

b

a

s

e

⋅

h

e

i

g

h

t

△

1

a

r

e

a

=

1

2

⋅

8

⋅

10

=

40

△

2

a

r

e

a

=

1

2

⋅

5

⋅

13

=

32.5

 

40

>

32.5

∴

Area of first triangle is larger.

7 0
3 years ago
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