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Ket [755]
4 years ago
5

{4x−3y=10x+4y=-7{4x-3y=10x+4y=-7What is the solution

Mathematics
1 answer:
Nikolay [14]4 years ago
7 0
Are you looking for the solution of x, y, or the equation??
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Heather Pablo, and Shen sent a total of 123 text messages during the weekend. Heather sent 9 more messages than Pablo. Shen sent
Korolek [52]

Answer:

Heather sent 28, Pablo sent 19, and Shen sent 76.

Step-by-step explanation:

This will be your equation

123 = H (Heather) + P (Pablo) + S (Shen)

This is the extra stuff

P + 9 = H

4P = S

Substitute so there is only P then use that to solve for the rest

123 = P + 9 + P + 4P

Then solve

123 = 6P + 9

123 - 9 = 6P + 9 - 9

114 = 6P

19 = P

Then substitute for the extra equations

19 (P) + 9 = 28 (H)

19 (P) * 4 = 76

8 0
3 years ago
Slope: -1/4 point (12,5)
Jlenok [28]

Answer:

equation of line:

y = mx + b....equation(1)

slope = m = -1/4

y-intercept = b =?

put point(12,5) and slope (-1/4) in equation(1)

5 = (-1/4)(12) + b

5 = -12/4 +b

5 = -3 + b

5 + 3 = b

b = 8

putting values of b and m in equation(1)

y = (-1/4)x + 8

Step-by-step explanation:


8 0
3 years ago
How can you determine if two (or more) fractions are equivalent. Give an example.
Luba_88 [7]
If they have the same numerator and denominator for example 4/4 and 2/2 are equivalent because you could divide 4/4 to get 2/2  or multiply 2/2 to get 4/4
8 0
3 years ago
Zack looks at the clock and sees the handle have made a 150 degrees angleHe realizes he has 2 hours before basketball practice s
wolverine [178]

AnswerMove

150

150

to the left of

a

a

.

150

a

,

2

h

o

u

r

s

Step-by-step explanation:

4 0
3 years ago
PLZZZZ HELP <br> A. 178.3<br> B. 196.5 <br> C. 250.8<br> D. 292.5<br> E. 297. 1
stepladder [879]

Answer:

E, 297.1

Step-by-step explanation:

First, find the area of the triangle using the formula a= (bh) / 2

Base x height would be 16 x 12, which is 192

192 / 2 is 96 sq meters

Then, find the area of the circle using the formula a= Pi (r^2)

If the diameter is 16, the radius would be 8 because you divide by 2

8^2 is 64, 64 times Pi is approximately 201.1

Finally, add the areas together, 96 + 201.1 is 297.1 or E

8 0
3 years ago
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