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Arlecino [84]
3 years ago
14

Determine the number of solutions, y=x+2 and x=-1

Mathematics
1 answer:
anyanavicka [17]3 years ago
4 0

There is only one solution.

y = x+2

x = -1

Substitute x = -1  in y = x+2

y=-1+2

y = 1

We only get the single value of y and x so It's clear that there's only one solution.

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Find C and H using formula for special right triangles
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Answer:

c= 1.1547 h= 9.89949

Step-by-step explanation:

im using the sine rule, (2/sine 60)sine30=1.1547

(7/sine 45)sine 90

im taking the opposite angle to the lenght,

study the sine rule.

7 0
3 years ago
If (x+3)+3(x-1)=20, what is the value of x
castortr0y [4]
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hodyreva [135]
How much pineapple juice does it take to make a cup of punch???
7 0
3 years ago
FABRIC You can spend at most $60 on lace. Cotton lace is $2 per yard and linen lace is $3 per yard. Write an inequality for the
IgorLugansk [536]

Answer:

2c + 3l ≤ 60

No

Step-by-step explanation:

Let's say you buy c yards of cotton lace and l yards of linen lace. The cotton lace will cost $2 per yard, and for c yards, you have to pay $2 c times, coming to a total of 2*c for the cotton lace. For the linen lace, you'd have to pay 3*l for l yards. The total amount of lace is thus equal to cotton lace cost + linen lace cost = 2c + 3l.

Total amount needs to be less than or equal to 60 (at most 60), so total amount = 2c + 3l ≤ 60

We can then plug our values of cotton and linen lace into our equation

12 yards of cotton lace, 15 yards of linen lace

2c + 3l ≤ 60

2(12) + 3(15) ≤ 60

24 + 45 ≤ 60

69 ≤ 60

This is false, so you cannot buy these amounts of lace.

3 0
2 years ago
Which property justifies the following steps:
ad-work [718]
Step 3:
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2x=7
x=7/2
6 0
3 years ago
Read 2 more answers
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