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vladimir2022 [97]
2 years ago
10

I need it now plz btw i am in middle school

Mathematics
1 answer:
Svet_ta [14]2 years ago
7 0

Answer:

A)2x+7=38

2x=38-7

2x=31

x=31/2

x=15.5

B)3x-8=52

3x=52+8

3x=60

x=60/3

x=20

C)34%of 68

34/100×68

0.34×68

=23.12

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geniusboy [140]

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Es que te ayude amigo medas corona por favor plis

4 0
3 years ago
Jina used a tots of 2 1/6 gallons of gas while driving her car. Each hour she was driving, she used 7/8 gallons of gas. What was
marysya [2.9K]
2 1/6 ÷ 7/8= 2 10/21 h
hope this helps!
8 0
3 years ago
2. The electrical resistance R of a wire varies inversely with the square of its diameter d. If a wire with a
Mariulka [41]

Answer:

0.225 \Omega =225 m\Omega

Step-by-step explanation:

We know (Ohm second law) that R= \frac{k}{d^2} where k inlcudes the rest of the parameters (material, lenght). In our situation we have k= 0.4\cdot9 \Omega mm^2. The moment the diameter becomes 8mm R becomes

R= {{0.4\cdot 9}\over{16}} \Omega = 0.225 \Omega

4 0
3 years ago
Help me please with this question
Inessa05 [86]

Answer:

the first one

Step-by-step explanation:

its this one because cest logique

3 0
3 years ago
If shamans has 3&1/3 cups of flour to make cupcakes. If she needs 1/13 cup of flour to make one cupcake how many full cupcak
Kobotan [32]

Answer:

43.3 cupcakes

Step-by-step explanation:

If shamans has 3&1/3 cups of flour to make cupcakes. If she needs 1/13 cup of flour to make one cupcake how many full cupcakes can she make

From the above question

1/ 13 cup = 1 cup cake

3 1/3 cups = x

Cross Multiply

1 /13 × X = 3 1/3 × 1

x = 10/3 ÷ 1 /13

x = 10/3 × 13/1

x = 130/3

x = 43.333333333 cupcakes

8 0
3 years ago
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