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Cerrena [4.2K]
3 years ago
13

Help please, I don't know how to answer....

Mathematics
1 answer:
Alchen [17]3 years ago
6 0

Step-by-step explanation:

the last one

x^2+2x+1 R(-5)

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Monica has 8 more than 3 times the number of marbles Regina has.if Regina has r marbles,how many marbles does Monica have?
jarptica [38.1K]
Monica has +8(3 times (Regina))or

M=8+(3R)

8 0
4 years ago
Help me please and pls explain how you got your answer.
enyata [817]

l \parallel m\Rightarrow  m\angle2 =m\angle6 = 102°\\ m\angle1 + m\angle2 = 180°\Leftrightarrow m\angle1 = 180° - m\angle2 = 180° - 102° = 78°

3 0
4 years ago
Barry Allen loves fruit! At the farmers market he bought 88 pieces of fruit. He got twice as many apples as bananas, 5/6 as many
antiseptic1488 [7]

Answer:

Barry had the following:

8 bananas

12 apples

20 kiwi

32 peaches

8 grapefruit

4 mangos

88 total

Step-by-step explanation:

Each of the amounts of fruit can be written in terms of one variable.  Starting with bananas as 'x', we can then make different values of 'x' to produce all the other numbers of fruits:

bananas = x

apples = 2x (twice as many bananas)

kiwi = 2.5x (5/6 of applies and bananas combined = 5/6(3x) or 2.5x)

peaches = 3.5x + 4 (sum of bananas and kiwis plus four = x + 2.5x + 4)

grapefruit = x (half as many apples = 2x/2)

mango = 0.5x (20% of kiwi = (0.2)(2.5)x)

88 = x + 2x + 2.5x + 3.5x + 4 + x + 0.5x

88 = 10.5x

8 = x (bananas)

apples = 2x or 16; kiwi = 2.5x or 20, peaches = 3.5x + 4 = 32, grapefruit = x or 8, mangos = 0.5x or 4


5 0
3 years ago
What is 10m-2?
sineoko [7]

Answer:

tytyty

Step-by-step explanation:

4 0
3 years ago
Y=800-50x and y=gallons of water and x=hours it takes. How many hours does it take to empty?
frosja888 [35]

It would take 16 hours for it to empty.

5 0
3 years ago
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