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ladessa [460]
3 years ago
11

The sum of Jessica and her father is 42. If her father is 5 times her age, find the age of Jessica

Mathematics
2 answers:
Nostrana [21]3 years ago
8 0

Answer:

8 and a half

Step-by-step explanation:

you will divide 42 and the 5

UNO [17]3 years ago
3 0
She will be 7 and the father will be 35
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Bad White [126]
4.While not rounding the answer is 500°
3 0
3 years ago
Can someone please explain
ankoles [38]
Start by defining variables (things you don't know). Let's make:
t = number of true/false questions
m = number of multiple choice questions

Equation #1
total questions on the test (given to be 20) is then:
t + m = 20

Equation #2
Multiply the number of questions by the points it's worth to get the total points
3t + 11m = 100

Now, you can use substitution to combine the two equations.

t + m = 20
by subtracting m from both sides, equation 1# becomes..
t = 20 - m

substitute t for 20 - m in the second equation.
3(20 - m) + 11m = 100

Solve for m.
3(20 - m) + 11m = 100
60 - 3m + 11m = 100
8m = 100 - 60
8m = 40
m = 5

There are 5 multiple choice questions on the test.
Now use this to find t.
t + m = 20 
t + 5 = 20
t = 20 - 5
t = 15

there are 15 true/false questions on the test.
7 0
3 years ago
What is x? I WILL AWARD BRILLENEST
yKpoI14uk [10]

Answer:

180-40-20=120

7 0
3 years ago
Read 2 more answers
Can you help please???????? ANYBODY this is important
olga_2 [115]
It’s D I hope I’m not late
7 0
2 years ago
FOR EASY BRAINLIEST ANSWER THE QUESTION BELOW:
Lunna [17]

Answer:

5x+y=3

Step-by-step explanation:

Slope = -5,

y intercept b=-2-(-5)×(1)=3

so, y=-5x+3

or, 5x+y=3

Answered by GAUTHMATH

3 0
2 years ago
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