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3 years ago

Help! I don't know how to do this! I will mark Brainliest!

Mathematics

2 answers:

pshichka [43]3 years ago

8 0

Answer:

is it A?

Step-by-step explanation:

i choose that because its the only one with -3y² which is correct

gogolik [260]3 years ago

4 0

Answer:

- 3y² - 7y + 6

Step-by-step explanation:

Given

(- 3y + 2)(y + 3)

Each term in the second factor is multiplied by each term in the first factor, that is

- 3y (y + 3) + 2(y + 3) ← distribute both parenthesis

= - 3y² - 9y + 2y + 6 ← collect like terms

= - 3y² - 7y + 6

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What are the numbers x+ y = 17 x - y= 7

sammy [17]

X = 12 and y = 5

I found this out by starting out with x = 10 and y = 7 (because 10 + 7 equals 17), and escalating while trying out every number with both equations.

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3 years ago

Which is equation in point slope form for the given point and slope. Point5,9 slope2

Sedbober [7]

Answer: y - 9 = 2(x - 5)

Step-by-step explanation:

Point slope form: y - y1 = m(x - x1)

substitute 5 for x1 and 9 for y1 and 2 for m

x1 = 5

y1 = 9

m = 2

you get y - 9 = 2(x - 5)

4 0

3 years ago

Read 2 more answers

there is 4/5 lb of sand in science supplies. if one scoop of sand weighs 1/20 of a lb how many scoops of sand can maria get from

tatuchka [14]

We want to divide whole sand into scoops, so we have to divide 4/5 by 1/20. Lets do this

$\frac{ \frac{4}{5} }{ \frac{1}{20} }$
We know that if we want to divide 2 fraction we can multiply first by inverse of second fraction instead of dividing.,so:
$\frac{ \frac{4}{5} }{ \frac{1}{20} }$
$\frac{4}{5}* \frac{20}{1}= \frac{4*20}{5*1} = \frac{80}{5}= 16$ scoops - its our result.

5 0

3 years ago

Alex and Ben shares £520 in the ratio 1:3.<br> What fractions of the £520 does Ben receive?

Arisa [49]

Ben would receive £390 while Alex would only receive £130

4 0

2 years ago

Which two integers is √56 between?<br> Please help me.

lozanna [386]

Answer:

7 and 8.

Step-by-step explanation:

When we check out what is √49 and √64, we can see that they equal 7 and 8 respectively. Since √56 is between √49 and √64, we can say that √56 is between 7 and 8.

Hoped this helped.

8 0

2 years ago