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2 years ago

Which is the slope of the line that passes through the points (3,5) and (8, 7)?

Mathematics

2 answers:

sergey [27]2 years ago

5 0

Answer:

the answer is C

Step-by-step explanation:

2/5

Rainbow [258]2 years ago

3 0

The answer would be 2/5 because you have to put in a slope equation which gives you your answer.

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A meuseum added 18 painting to its collection in may. This is 20% of paintings the meuseum has in April. How many paintings did

Alexus [3.1K]

18 / x = 20 / 100

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x = 90

The museum had 90 paintings in April.

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2 years ago

Solve each quadratic equation. Show your work. 14. (2x – 1)(x + 7) = 0

melisa1 [442]

(2x – 1)(x + 7) = 0

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2 years ago

Read 2 more answers

Please answer correctly !!!!!!!! Will mark brainliest !!!!!!!!!

Evgesh-ka [11]

Answer:

C. Add the equations

Step-by-step explanation:

Adding both the equations will help eliminating 5y.

6 0

2 years ago

In the expansion of (3a + 4b)8, which of the following are possible variable terms? Explain your reasoning. a2b3; a5b3; ab8; b8;

Fiesta28 [93]

We have to find the expansion of $(3a+4b)^{8}$

We will use binomial expansion to expand the given expression, which states that the expression $(a+b)^{n}$ is expanded as :

$(a+b)^{n}=^{n}C_{0}a^{n}+^{n}C_{1}a^{n-1}b+^{n}C_{2}a^{n-2}b^{2}+........^{n}C_{n}b^{n}$

Now expanding $(3a+4b)^{8}$ we get,

$(3a+4b)^{8}=^{8}C_{0}(3a)^{8}+^{8}C_{1}(3a)^{7}(4b)+^{8}C_{2}(3a)^{6}(4b)^{2}+^{8}C_{3}(3a)^{5}(4b)^{3}+^{8}C_{4}(3a)^{4}(4b)^{4}+^{8}C_{5}(3a)^{3}(4b)^{5}+^{8}C_{6}(3a)^{2}(4b)^{6}+^{8}C_{7}(3a)(4b)^{7}+^{8}C_{8}(4b)^{8}$

$(3a+4b)^{8}=^{8}C_{0}(3)^{8}a^{8}+^{8}C_{1}(3)^{7}(4)(a^{7}b)+^{8}C_{2}(3)^{6}(4)^{2}(a^{6}b^{2})+^{8}C_{3}(3)^{5}(4)^{3}(a^{5}b^{3})+^{8}C_{4}(3)^{4}(4)^{4}(a^{4}b^{4})+^{8}C_{5}(3)^{3}(4)^{5}(a^{3}b^{5})+^{8}C_{6}(3)^{2}(4)^{6}(a^{2}b^{6})+^{8}C_{7}(3)(4)^{7}(ab^{7})+^{8}C_{8}(4)^{8}(b^{8})$

So, the variables are $a^{5}b^{3}$ , $b^{8}$ , $a^{4}b^{4}$ , $a^{8} , [tex] ab^{7}$

5 0

2 years ago