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3 years ago

Rewrite the mixed number 2 4/5 as a improper fraction

Mathematics

1 answer:

sladkih [1.3K]3 years ago

3 0

Answer:

I'm pretty sure its 14/5

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Last month you went on three hikes. One hike was 2 ¾ miles long, one was 1 ½ miles long, and the other was 3 ⅜ miles long. In de

kap26 [50]

I'm not really a big fraction type person, but I'm sure it's 7.625

3 0

3 years ago

Read 2 more answers

PLEASE HURRY I NEED MY WORK TO BE SHOWN!!!!! 15 POINTS!!! CORRECT ANSWERS ONLY PLEASE!!!

Harlamova29_29 [7]

Answer:

f(-4) = 72, f(x + 5) = 3x² + 23x + 36

Step-by-step explanation:

f(-4) = 3(-4)² - 7(-4) - 4

= 48 - (-28) - 4

f(-4) = 72

f(x + 5) = 3(x + 5)² - 7(x + 5) - 4

= 3(x + 5)(x + 5) - 7(x + 5) - 4

= 3(x² + 10x + 25) - 7(x + 5) - 4

= 3x² + 30x + 75 - 7x - 35 - 4

f(x + 5) = 3x² + 23x + 36

4 0

3 years ago

Solve the system by substitution.<br> y = -9x<br> y = 2x + 33

Gwar [14]

Answer:

$y = - 9x \\ theny = 2x + 33 \\ - 9x = 2x + 33 \\ - 9x - 2x = 33 \\ - 11x = 33 \\ x = \frac{ - 33}{11} = - 3 \\ x = - 3 \\then\\ y=-9×-3=21\\ thank \: you$

5 0

3 years ago

3. What is the measure of angle B from the right triangle below?

Talja [164]

Answer:

angle B = 78.46°

Step-by-step explanation:

Use the cosine ratio

$cosB=\frac{2}{10} =0.2$

$B=cos^{-1} (0.2)=78.46^{0}$

Hope this helps

8 0

2 years ago

Point G is the midpoint of PQ. <br> PG equals 2X plus 3 and GQ equals 5X -5. what is X?

borishaifa [10]

Answer:

$x=\frac{8}{3}=2\frac{2}{3}\approx{2.667}$

Step-by-step explanation:

$\overline{PG}=2x+3\\\overline{GQ}=5x-5$

Since they're equidistant (equal distances), we can set them equal to one another and solve for x:

$2x+3=5x-5$

Adding 5 to both sides:

$2x+8=5x$

Subtracting 2x from both sides:

$8=3x$

Dividing both sides by 3:

$\frac{8}{3}=x$

Therefore:

$x=\frac{8}{3}=2\frac{2}{3}\approx{2.667}$

6 0

3 years ago