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SVETLANKA909090 [29]
2 years ago
13

What is the answer to this?

Mathematics
1 answer:
valkas [14]2 years ago
4 0

Answer:

y=5-4x / 2

I cant do the fraction symbol

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You can jog around the block twice and the park once in 10 min. You can jog around the block twice and the park 3 times in 22 mi
stich3 [128]
B = block     p = park

2b + p = 10 min                2 runs around the block takes 10 minutes
2b + 3p = 22 min        2 runs around the block plus 3 runs around the park                                                       takes 22 minutes

To solve, I will use substitution. First, I will divide the first equation by 2 to get b by itself and subtract p from both sides to get b by itself. Then, substitute 5 - 1/2p in for b in the second equation because they have equal values. Then, subtract 10 from both sides to eliminate it. Divide by 2 to both sides to get 'p' by itself.

2b + p = 10 min ---------→b + 1/2p = 5 ----------→ b = 5 - 1/2p

2(5 - 1/2p) + 3p = 22 ---------→ 10 -p + 3p = 22 --------→ 10 + 2p = 22

10 + 3p = 22 ----------→ 2p = 12

2p = 12 -------------→ p = 6

It takes 6 minutes to jog around the park

Hope this helps!
6 0
3 years ago
A soccer team is having a car wash. The team spent $65 on supplies. They earned $335, including tips. How much was the the team'
cestrela7 [59]

Answer:

Answer: $210 profit

Step-by-step explanation:

275-65 =210

6 0
2 years ago
Read 2 more answers
Of the 350 people surveyed recently in New York, 68% said they prefer to vacation in Florida. Find the number preferring to vact
garik1379 [7]

Answer:

238 people

Step-by-step explanation:

68% of 350 is 238

6 0
2 years ago
Help me! Need answers to questions ii and iii please. Thanks x
Debora [2.8K]
Ii.First ,expand: 5(x-2)=32
5x-10=32
bring 10 to the other side (add it to 32)
5x=42
divide both sides by 5 to get x
x=42/5
x=8.4

iii.Expand 5+2(x+3)=21
5+2x+6=21
bring 5 and 6 to the other side
2x=21-5-6
2x=10 divide both sides by 2
x=5
6 0
3 years ago
Find the surface area of the triangular pyramid. The side lengths of the base are equal.
mestny [16]

Answer:

522.0

Step-by-step explanation:

10*6=60

60*8.7=522.0

or you can take out the zero either way that's the answer

6 0
3 years ago
Read 2 more answers
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