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ch4aika [34]
3 years ago
15

Help pls pls and thank u thank u

Mathematics
1 answer:
Alex73 [517]3 years ago
5 0

Answer:

I think is A

Step-by-step explanation:

-7x -13 ≥ 8

+13 +13

-7x ≥ 21 (then, divide by -7 and when u divide by a negative number, the sign flip)

Answer: x ≤ -3

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Given that A=xy find the percentage increase in A when both X and Y increase by 10%
Lelechka [254]
A=xy
If there is 10% increase in x then,
New value of x = x + 10%of x =1.1x
similarly for y
New value of y after increase= 1.1 y
New value of A after increase in x and y = 1 .1x × 1.1 y= 1.21xy
now
increase amount in A= New value of A - old value of A
=1.21xy - xy= 0.21xy
percentage increase in A= (0.21xy÷xy )× 100= 21%
7 0
3 years ago
What is40.99 times 2.1
inessss [21]

Answer:

40.99* 2.1= 86.079

Step-by-step explanation:

7 0
3 years ago
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Which is the better by 8-foot of cord for $2.80or 9-foot piece of cord for $2.88​
Dmitrij [34]

Answer:

9-foot piece is better deal by $0.03 per foot

Step-by-step explanation:

2.80/8 = $0.35 per foot (for 8-foot piece)

2.88/9 = $0.32 per foot (for 9-foot piece)

4 0
3 years ago
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URGENT! WILL GIVE BRAINLIEST!
cupoosta [38]

Answer:

150 m^{2}

Step-by-step explanation:

Consider the figure as an isosceles triangle and a rectangle combined.

ISOSCELES TRIANGLE

A = \frac{1}{2} bh

A = \frac{1}{2} *15*12

A = 90

RECTANGLE

A=lw

A = 5*12

A = 60

60 + 90 = 150

6 0
2 years ago
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PLEASE I NEED HELP NOW!!! IF CORRECT I WILL GIVE BRAINLIEST!!
Ira Lisetskai [31]

Answer:

- 4 4/5 *C

Step-by-step explanation:

12:00-6:00 is 6hrs

7/10*6 = 42/10 = 4 1/5

1 - 4 1/5 = - 4 4/5

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3 years ago
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