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3 years ago

Which expression below is equivalent to 3(3a + 4b) ? Group of answer choices 9a + 12b 6a + 7b 6a + 12b 9a + 7b

Mathematics

1 answer:

Furkat [3]3 years ago

4 0

Xjzhzhzhzbsbzbzbzbzbzbxbsbsbxbbzbzbzhxhxhxhcxh

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Which explains how to show that x= -8/3 is a root of 9x^2+48x+64= 0 ?

Helen [10]

Step-by-step explanation:

$9 {( - \frac{8}{3}) }^{} {}^{2} + 48( - \frac{8}{3} ) + 64 \\ \\ 9( - \frac{64}{9} ) - \frac{48}{3} + 64 \\ \\ - 64 - 16 + 64 = - 16$

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4 years ago

Jones assembles 200 relays in the same time that Smith assembles 180. When Jones has completed 300 relays, how many will Smith h

Finger [1]

Answer:

270

Step-by-step explanation:

Jones turns out 200 relays to Smith's 180. You set up that basic ratio and make a proportion out of it.

S/J = 180/200

Now you make your proportion

S/J = x/300

But the 2 ratios much remain the same.

180/200 = x / 300 Multiply both sides by 300

180*300/200 = x Multiply the numerator together.

54000/200 = x Do the division

270 = x

Smith will have turned out 270 relays.

4 0

3 years ago

List 2 numbers between 5.2 and 5.03

Ann [662]

Answer:

5.1 and 5.05

Not really much to explain. Still, hope this helped!

P.S. (5.2 is more than 5.03, btw)

3 0

3 years ago

There are four children in the Velez family. Alano is 1 and 1/2 times as tall as Lupe, and 6 inches taller than Olivia. Nelia is

balu736 [363]

Step-by-step explanation:

If you think about Nelia's age you can see that Olivia is 54 inches

Alano is 6 inches tall than Olivia which equals 60.

Then you would do 60 x 1 then x 30 to get Alano's height

4 0

4 years ago

Determine whether the event is impossible, unlikely, as likely as not, likely

Temka [501]

As likely as not.
EXPLANATION: a coin has 2 sides. (usually heads and tails)
50% chance it is heads
50% chance it is tails
50=50.
So it is just as likely to happen as it is likely to not.

5 0

3 years ago