2 years ago

Please help me with this problem

Mathematics

1 answer:

sineoko [7]2 years ago

7 0

Answer:

$4$

Step-by-step explanation:

$\frac{ {3x}^{2} -2x + 7}{2x+5} \\ \frac{3( - 1) {}^{2} - 2( - 1) + 7}{2( - 1) + 5 } \\ \frac{3 + 2 + 7}{ - 2 + 5} \\ \frac{12}{3} = 4$

You might be interested in

julia is putting together bag of 45 blocks. if she wants the probability of choosing a red block to be 1/5 how many red blocks j

4vir4ik [10]

Answer:

Step-by-step explanation:

Given that the sample size is 45 blocks

Let number of red blocks in the bag to be x

Then the probability of chosing a red block will be x/45

Given that the probability of choosing a red block is 1/5 then you can form the expression;

x/45 = 1/5 ---------------find the value of x by performing cross multiplication

5x=45*1

5x/5=45/5

x=9

Answer

Julia put 9 red blocks in the bag.

7 0

3 years ago

Can somebody explain how to do this question

evablogger [386]

Answer:

The answer is D

Step-by-step explanation:

Remember:

Contrapositive means that if you reverse the hypothesis and the conclusion the statement will mean the same thing

7 0

2 years ago

Please help thank you

matrenka [14]

Answer:

25.9 yd

Step-by-step explanation:

$a^{2}$ + ${b^{2} }$ = $c^{2}$

$(17)^{2}$ + ${b^{2} }$ = $(31)^{2}$

289 + ${b^{2} }$ = 961

Subtract 289 on both sides

${b^{2} }$ = 672

$\sqrt{b^{2} }$ = $\sqrt{672}$

nearest tenth

b = 25.9 yd

7 0

2 years ago

Read 2 more answers

melanie compared the price of her favorite book at two bookstores, Bookworm and Reading Nook. She found that the ratio of the pr

Rudik [331]

Answer:

The answer is A

Step-by-step explanation:

6 0

3 years ago

Mr. Chambliss is planning to build a shed with a rectangular floor. In his original

deff fn [24]

C. By three feet 7x5=35 area 7x10=70 area 7+3=10

4 0

3 years ago