3 years ago

HELP MEEEE PLEASE i don't know how to do this

Mathematics

1 answer:

guapka [62]3 years ago

4 0

Answer:

5 hours

Step-by-step explanation:

35x+25 = 40x

25=5x

x= hours

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If a b and c are three different numbers which of the following equations has exactly one solution?

Mrrafil [7]

Option B is correct.

Step-by-step explanation:

We need to identify which of the following equations has exactly one solution.

We will solve each equation to find the answer

A. $ax+b=ax+b$

Solving and finding value of x:

$ax+b=ax+b\\ax-ax=b-b\\0=0$

This equation has infinite number of solutions because both sides are equal to 0

B. $ax=bx+c$

Solving and finding value of x:

$ax=bx+c\\ax-bx=c\\x(a-b)=c\\x=\frac{c}{a-b}$

This equation has exactly one solution

C. $ax+b=ax+c$

$ax+b=ax+c\\ax-ax=c-b\\0=c-b$

This equation has no solution because both sides are not equal.

So, Option B is correct.

Keywords: Solving Equations

Learn more about Solving Equations at:

#learnwithBrainly

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3 years ago

Can you please help me on add and subtract fractions level 1 9/8-11/8

zhannawk [14.2K]

Answer:

7/8

Step-by-step explanation:

1. Make 1 9/8 into an improper fraction

1 = 8/8

8/8 + 9/8 = 17/8

2. Subtract

17/8 - 11/8 = 7/8

3 0

3 years ago

Read 2 more answers

Which expressions are equivalent to 70 × 5.3

marin [14]

Answer:

35 x 10.6, 140 x 2.65 and 371 x 1

Step-by-step explanation:

7 0

4 years ago

Need to pass this class!

alexandr1967 [171]

4w+5+33=90
4w=90-5-33
4w=52
w=13

6 0

3 years ago

acceptance rate of 12 that mean that 12% apply will get it school took 2,400 last year how many applied

netineya [11]

I hope this helps you

2400.12%

2400.12/100

288

7 0

3 years ago