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zalisa [80]
3 years ago
14

PLZ HALP IT LAST QUESTION PLS D: and ty if u do :D

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
8 0

Answer:

Yes do multiplication by 7

Amiraneli [1.4K]3 years ago
3 0

Answer:

The answer is 28b + 28!

Step-by-step explanation:

You multiply 7 by everything in the parentheses!

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Solve using the substitution method.
Brilliant_brown [7]

Answer:

x = 1, y = 4

Step-by-step explanation:

This is very simple

Since you have 2 equations with the same coefficient of x, just minus one equation from another:

          x + 3y = 13

       -      

          x + 2y = 9

                1y = 4

Sub y = 4 into any of the 2 equation,

x + 3(4) = 13

x + 12 = 13

x = 13 - 12

  = 1

5 0
3 years ago
A person in the audience of a reality show has an 11% chance of winning free movie tickets. What is the chance that a person in
olya-2409 [2.1K]
100%=all
all-change of wining=change of not winning
100%-11%=89% of not winning

probabilit is 89/100 that they dont win
8 0
4 years ago
What is the measure of angle def the tangent chord angle
podryga [215]
OK, If I understand your question correctly your vertex is at E and the arc is defined by ED or DE. 
<span>In this case the measure of angle DEF is just 1/2 of the arc length in degrees or 88 degrees.</span>
5 0
4 years ago
Plz help me i am timed plz
Aloiza [94]

Im gonna have to say its c

4 0
4 years ago
A −3=( a 1 ) 5 what is the value of a?
PtichkaEL [24]

Answer:

A=\frac{-3}{4}

Step-by-step explanation:

a−3=a1(5)

Step 1: Simplify both sides of the equation.

a−3=a1(5)

a+−3=5a

a−3=5a

Step 2: Subtract 5a from both sides.

a−3−5a=5a−5a

−4a−3=0

Step 3: Add 3 to both sides.

−4a−3+3=0+3

−4a=3

Step 4: Divide both sides by -4.

-4a/-4 = 3/-4

<h3>Your final answer is a=-3/4</h3>

4 0
3 years ago
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