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Andreyy89
3 years ago
12

(2x + 9) (2x - 5)° 86° (x + 3) 1629 (x + 39) What is the value of x?

Mathematics
1 answer:
slega [8]3 years ago
3 0

Answer: Sorry this question is still confusing.

Step-by-step explanation:

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B) Write an expression for fin terms of d.<br> c) Work out e-f<br> Simplify your answer.
olga2289 [7]

Answer:

3d+ e+f

Step-by-step explanation:

7 0
3 years ago
Estimate the amount of time the trip will take. 100 miles at 40 mph 8 and 1/2 hours 2 and 1/2 hours 4 hours 6 and 1/4 hours
Natasha_Volkova [10]

Answer:

2 1/2 hours

Step-by-step explanation:

Divide 100 by 40 and you get 2.5

7 0
2 years ago
What is f(5) if f(x) = -2x+1 ?
Anuta_ua [19.1K]

Answer:

-9

Step-by-step explanation:

-2(5)+1

=-10+1

=-9

Substitute the 5 in for x

7 0
2 years ago
Read 2 more answers
A school replaced 20% of it computers with new ones . what the total number of computers in the school if 55 computers were repl
sladkih [1.3K]
The total is 275 because 100% divided by 20% is 5 and if 20%= 55 then that means that 55 goes into 100% 5 times so you multiply 55 by 5 to get 275. Hope I helped! Please rate me as the brainliest!
7 0
3 years ago
4/5(x+5/6)-2/3(x-1/4)=7/6
solniwko [45]

Answer and Step-by-step explanation:

Hello~let's~solve~your~equation:

<u>Step 1: Simplify both sides of the equation:</u>

(\frac{4}{5}) (x)+(\frac{4}{5})(\frac{5}{6})+\frac{-2}{3}x+\frac{1}{6}    =\frac{7}{6}  (Distribute)

\frac{4}{5}x+\frac{2}{3}+\frac{-2}{3}x+\frac{1}{y\6}=\frac{7}{6}

(\frac{5}{5}x+ \frac{-2}{3}x )+(\frac{2}{3}+ \frac{1}{6})=\frac{7}{6} (Combine~like~terms)

\frac{2}{15}x+\frac{5}{6}=\frac{7}{6}

<u>Step 2: Subtract 5/6 from both sides:</u>

\frac{2}{15}x+\frac{5}{6}- \frac{5}{6} =\frac{7}{6} -\frac{5}{6}

\frac{2}{15}x=\frac{1}{3}

<u>Step 3: Multiply both sides by 15/2:</u>

(\frac{15}{2}) *(\frac{2}{15}x)=(\frac{15}{2})*(\frac{1}{3})

x= \frac{5}{2}

4 0
2 years ago
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