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3 years ago

PLEASEEEEE HELP ME IF YOU GET THIS QUESTION!!

Mathematics

1 answer:

EleoNora [17]3 years ago

5 0

Answer:

one and a quarter mile

please can i have brainliest

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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

4 0

3 years ago

Find the circumference of each circle from the given radius or diameter

g100num [7]

Answer: 7) 50.27 8) 251.33 9) 235.62 *These answers were calculated using the true value of pi, not 3.14*

4 0

3 years ago

Read 2 more answers

17/23 as a decimal rounded to the nearest tenth

leva [86]

0.7 because it's originaly 0.7391304348

7 0

3 years ago

Find the value of Sin^-1(-√3/2)

garri49 [273]

Answer:

The exact value of sin-1(√32) sin -1 ( 3 2 ) is π3 .

Step-by-step explanation:

6 0

3 years ago

Kyle gave 2/7 of his money to his wife and spent 3/5 of the remainder. If he had $300 left, how much money did he have at first?

weqwewe [10]

<u>Answer: </u>

Kyle gave 2/7th of his money to his wife and spent 3/5 of the remainder. If he had $300 left, the money had by Kyle at first is $1050

<u>Solution: </u>

Step 1:

Consider “x” as the money which Kyle had initially.

From question, Kyle gave 2/7th of his money to his wife. So the remaining money left with Kyle is given as,

$= 1 - \frac{2}{7}$

$= \frac{7 - 2}{7} = \frac{5}{7}$ ----- eqn 1

Now the remaining money left with Kyle is 5/7th.Given that Kyle spent 3/5 of the remaining money.

Now the remaining money left with Kyle is given as

$= 1 - \frac{3}{5} = \frac{5 - 3}{5} = \frac{2}{5}$

Now kyle is left with $300, which is 2/5th of the initial money x .

We get equation as

$\frac{2}{5} x=300$

2x = 1500

x = 750

Now Kyle is left with 750$ which is 5/7th of the initial amount x.( by using eqn 1)

We get equation as

$\frac{5}{7} x = 750$

5x = 5250

x = 1050

So the amount had by Kyle at first is $1050

7 0

3 years ago