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maks197457 [2]
2 years ago
12

Question 5 (1 point)

Mathematics
1 answer:
Damm [24]2 years ago
5 0

Answer:

36 and 49

Step-by-step explanation:

Please mark me as brainlyest

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A+b=77,a-b=13 care sun nr
STALIN [3.7K]
It's a simultaneous equation:
Steps:
1.Number the equations..

a+b=77 -1
a-b=13 -2

2. Choose what variable you want to use. In this case I would use the "b". Since the signs in front of the "b's" are different, add the two equations together

a + b = 77
+ + +
a (-b) = 13

Which gives;
2a = 90

Then solve to find a:
2a=90
a= 90/2
a=45

3.Then plug the "a" value into any of the original equations to find the "b" value. I would use equation 1 since the all the variables are positive.

a + b = 77
(45) + b = 77
b=77-45
b=32

4.Solution

a=45
b=32
3 0
3 years ago
This makes no sense, I don’t understand
julsineya [31]

Answer:

the range where we see the function is between x=0 and x=7

its B

A is impossible btw, no number is smaller or equal to 0 AND bigger or equal to 7

please brainliest

8 0
2 years ago
Brennan purchased an almond tart costing $18.56. He gave the cashier $19.55. How much change did the cashier give back to Brenna
11111nata11111 [884]

Answer:

0.99.

Step-by-step explanation:

7 0
3 years ago
COULD SOMEONE PLS HELP ME WITH MY LATEST 2 QUESTIONS?
OlgaM077 [116]
I can try how do I help you ?
4 0
3 years ago
Which fraction is less 2/9 1/3
dedylja [7]

Answer:

2/9 is less than 1/3

Step-by-step explanation:

2/9= 0.222

1/3=0.333

4 0
3 years ago
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