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Novay_Z [31]
3 years ago
15

10x + 9y=0 8x + 18y=0

Mathematics
1 answer:
Luba_88 [7]3 years ago
3 0

Answer:

x=0 y=0

Step-by-step explanation:

multiple the first equation by 2

after subtract equation 2 from 1

after getting x you substitute the value of x in any of the equation for your y

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I need help with this one and l also answered the first one but i’m not sure for this three angles
Norma-Jean [14]

Answer:

all three angles should add up to 180 so subtract what you know from 180 and you should be able to find everything from there

4 0
3 years ago
Which polynomial lists the powers in descending order? A. –10 + 4x3 – 4x5 + 2x4 + x7 B. 4x3 – 4x5 + 2x4 + x7 – 10 C. x7 + 4x3 +
zepelin [54]
The answer is D. x7+-4x5+2x4+4x3-10
5 0
3 years ago
Read 2 more answers
3.
Trava [24]

Answer:

The total cost, c(p), to purchase sugar is equal to the product of the pound cost equal to $0.59 and the number of pounds of sugar, p. Thus, the answer to this item is,

                                c(p) = ($0.59)p

Step-by-step explanation:

The total cost, c(p), to purchase sugar is equal to the product of the pound cost equal to $0.59 and the number of pounds of sugar, p. Thus, the answer to this item is C(p)=0.59p

8 0
3 years ago
Please help on this one ?
IrinaK [193]
C. y= [25,100]
you need brackets because the points actually touch the number
7 0
3 years ago
a photograph has a perimeter of 24 in the difference between the photographs Lane and the width is 2 inches. find the length and
DaniilM [7]

L-w=5

L=w+5

P=2*(L+w)=24

L+w=24/2

L+w=12

w+5+w=12

2w+5=12

2w=12-5

2w=7

w=7/2

w=3.5

L=2+3.5

L=5.5

8 0
4 years ago
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