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3 years ago

8 Simplify the expression: 41 +91 + 61 = 1

Mathematics

2 answers:

Dmitriy789 [7]3 years ago

7 0

I think it is 192+1

41+91+61=193

193-1=192

192+1=193

antiseptic1488 [7]3 years ago

3 0

Answer:

194

Step-by-step explanation:

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Please help me! Will give points and mark brainliest answer. I have been stuck on this for a while too. Will give 30 points.

garri49 [273]

Answers:

1A. You see, every amount of T shirts costs 5.5 times more than it's amount. So if "n" is the number of shirts and "C" is what it costs, then the equation must be C=5.5n.

1B. Idon't know how to graph it here sorry.

1C. You have to look back to the equation. It has our coefficient (5.5n) on one side and C on the other,so the answer is just 5.5n. Now the questions says 120 shirts so (120)5.5 equals 660.

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3 years ago

Enter the value of a and b that complete the sum: 3/x + 5/x^2 = ax+b/x^2

Aleksandr [31]

Answer:

a= $\frac{3}{x^{2} }$

b=5

Step-by-step explanation:

we are given

$\frac{3}{x} }$ + $\frac{5}{x^{2} }$ =ax+ $\frac{b}{x^{2} }$

we will compare both sides of equaion

$\frac{b}{x^{2} }$ = $\frac{5}{x^{2} }$

comparing both sides we get

b=5

and

$\frac{3}{x} }$ =ax

a= $\frac{3}{x^{2} }$

hence

a= $\frac{3}{x^{2} }$

and b=5

4 0

3 years ago

Help me pleaseeeeeeeeeeeee

ratelena [41]

The answer is A
r = 1

5 0

3 years ago

Read 2 more answers

Choose the correct solution and graph for the inequality.

Y_Kistochka [10]

The answer to question one would be "D" y<-3

For question two the answer would be "C" x<5

Hope that helps!

6 0

3 years ago

Leah claims that these figures are not similar. When she compared the heights, she wrote 27. Then she compared the bases and got

Flauer [41]

Answer:

<h2>Leah is actually wrong, because those rectangles are similar.</h2>

Step-by-step explanation:

Remember that similarity is about having proportional sides and congruent angles. When we have congruent sides, then those rectangles are congruent not similar.

In this case, to find the similarity, Leah should compare bases and heights thorugh division, because the ratio between heights and the ratio between bases must be equal. So, let's divide.

$\frac{21}{6}=3.5$

$\frac{7}{2}=3.5$

As you can observe, both ratios are equal.

Therefore, those rectangles are congruent.

4 0

3 years ago