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2 years ago

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Mathematics

2 answers:

Vitek1552 [10]2 years ago

8 0

Answer:

Step-by-step explanation:

25x-25=5(?)

Divide 5 so you get

5x-5=(?)

So I guess C?

Tell me if I'm wrong

Marina CMI [18]2 years ago

4 0

Answer:

i think its a

Step-by-step explanation:

im so sorry if im wrong, also start using m4thway for problems like these! it shows you the steps and everything.

(the 4 is an a bc they wouldnt let me put the name of it)

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Solve x42=37 x 42 = 3 7 using two different strategies. Explain each strategy.

Dafna11 [192]

Given equation : $\frac{x}{42}=\frac{3}{7}$ .

Strategy 1: We can cross mutiply both sides remove fraction form.

On cross multiplication, we get

x * 7 = 3 * 42

7x = 126.

Dividing both sides by 7, we get

Strategy 2: We can find least common denominator(lcd) of both sides and multiplying both sides by that lcd to get rid denominators from both sides.

LCD of 42 and 7 is 42.

Therefore, multiplying both sides by 42, we get

$42\times \frac{x}{42}=42\times\frac{3}{7}$

x = 6 * 3

4 0

2 years ago

Calculate: 3400*6 1/2 *1/100

marishachu [46]

questions clear likhh

thank for extra points

7 0

2 years ago

Sandy had 219 football cards. She bought 57 more at a garage sale. How many did she have then?

8_murik_8 [283]

Therefore, Sandy has 276 football cards.

5 0

3 years ago

Read 2 more answers

How many solutions does the system have?

amid [387]

Answer:

A; infinitely many solutions

Step-by-step explanation:

first, let's simplify the first equation to make it simpler.

divide both sides by 5

y=3x-8

new system

y=3x-8

as you can see, they are the same.

not mandatory but useful!⬇⬇⬇⬇

just to be more clear, let's substitute them. since they're both already in y=, we can make them both set to each other.

3x-8=3x-8

add 8 to both sides; subtract 3x from one side

0=0

the answer is A, Infinitely many solutions.

hope this helped <3333333

8 0

3 years ago

A painter is standing on a ladder that is leaning against a building. The angle of elevation of the ladder is 44 degrees. The he

Lena [83]

Answer:

Answer is well defined in the image 115.16 feet

Step-by-step explanation:

For the value of sin44 degrees use your calculator to calculate the value.

If you have any doubts write in comments box.

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION.

7 0

3 years ago