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Paul [167]
3 years ago
11

What is the value of y? 2x+3x=105 x+2y=65

Mathematics
2 answers:
UNO [17]3 years ago
5 0
(21,22) I solved by substitution
Ksenya-84 [330]3 years ago
4 0
The answer is y = 25
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Combine the following sets of terms.
DanielleElmas [232]

Let's simplify step-by-step To understand :)

3x2−7x−(x2+3x−9)

Distribute the Negative Sign:

=3x2−7x+−1(x2+3x−9)

=3x2+−7x+−1x2+−1(3x)+(−1)(−9)

=3x2+−7x+−x2+−3x+9

Combine Like Terms:)

=3x2+−7x+−x2+−3x+9

=(3x2+−x2)+(−7x+−3x)+(9)

=2x2+−10x+9

Answer :)

=2x2−10x+9


HOPE THIS HELPS

3 0
3 years ago
Witch of these has a slope of -3/4 and a y intercept of 3/2
Arada [10]

Answer:

See explanation. (Also you can write an equation several different ways so without the choices I cannot tell you which)

Step-by-step explanation:

Slope-intercept form is y=mx+b

So one way to write the equation is y=-3/4 x +3/2

There are more ways to write it.

Every line about to write is a way to write it.

Multiply both sides by 4:                 4y=-3x+6

Add 3x on both sides:               3x+4y=6

Subtract 6 on both sides:         3x+4y-6=0

There are a lot of ways to write an equation like this.

To better assist you I would need to see options.

5 0
3 years ago
A rectangle has a base of 5 cm and a height of (x + 2)cm. Its area is 20 cm ^ 2. What is the value of x?
Len [333]
So area is base x height:
5(x+2)=20
5x+10=20
5x=10
x=2
its A
3 0
3 years ago
Step by step explanation!
Afina-wow [57]

Answer:

yhe picture is blur.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A short necklace has 32 gold beads and 8 black beads. A long necklace has a total of 60 beads.Both necklaces have the same ratio
Mekhanik [1.2K]

Answer:15


Step-by-step explanation:


7 0
3 years ago
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