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Grace [21]
3 years ago
5

Y+ 2x = 5; x= -2,0,4

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
5 0

Answer:

-2,0,4 f(x) 4,-6,70

Step-by-step explanation:

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If q(x)=7x^2-1 find q(-9)
liq [111]

For this, we are just going to plug in -9 for every x and then solve the equation:


q(x)=7x^{2} -1


q(-9)=7(-9)^{2} -1


q(-9)=7(81)-1


q(-9)=566


Now we know that q(-9) is equal to 566.

3 0
3 years ago
Can someone help me with number 12 ?
Solnce55 [7]

Answer:

3x= 2y +6

and when we put y = 0

then 3x = 6

x = 6/3

x =2

SECOND one , when we put x = 0

0= 2y +6

-6 = 2y

-6/2= y

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3 0
3 years ago
Read 2 more answers
A+5=6<br> a . a = 0<br> b. a = 1<br> c. a = 2
Nastasia [14]
A+5=6
Subtract 5 from both sides
A+5-5=6-5
A=1

Hope that helps
4 0
3 years ago
Read 2 more answers
It is 2.3 km from Salma's house to the nearest mailbox. How far is it in meters?
Ivenika [448]

Answer:

2.3km in meters is 2300 Meters

Step-by-step explanation:

Multiply the length value by 1000

7 0
3 years ago
Kelly pays $25/sweater wholesale.find the salling price if her mark-up is 65%?
gladu [14]
This is another way of saying what is 165% of 25, because 65% of the sweater is the markup, and you add the markup to the whole sale.
165% is 1.65 in decimal form, so1.65*25=41.25
41.25 is your answer
3 0
3 years ago
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