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Firdavs [7]
2 years ago
9

If x = 9, what is the value of 7x + 4?

Mathematics
2 answers:
Vika [28.1K]2 years ago
5 0

Answer:

67

Step-by-step explanation:

7x9=63

63+4=67

labwork [276]2 years ago
5 0

Answer:

67

Step-by-step explanation:

If x = 9, our new equation is:

7 x 9 + 4

We use PEMDAS to get:

7 x 9 = 63

63 + 4 = 67

So 63 is your answer

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Last year the math club had nine sixth grade students and 4 4th grade students what is the radio of 4th grade students to the to
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Answer:

C. 4:13

Step-by-step explanation:

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You fly in a helicopter for 20 minutes that goes at a speed of 240 km per hour. How far did you go?
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Read 2 more answers
Mary knits scarves and sweaters to sell. Scarves take 2 hours to knit and sweaters take 10 hours. Mary would like to spend no mo
sveticcg [70]

Answer:

The system of inequalities is

2x+10y\leq 40

x+y\geq 5

The solution in the attached figure

Step-by-step explanation:

<u><em>The question is</em></u>

Write a system of linear inequalities.

Le

x ---> number of scarves knitted per week

y ---> number of knitted sweaters per week

we know that

Mary would like to spend no more than 40 hours per week knitting

The word "No more" means "less than or equal to"

so

2x+10y\leq 40 ----> inequality A

Mary would like to knit at least 5 items per week

The word "at least" means "greater than or equal to"

x+y\geq 5 ----> inequality B

Solve the system by graphing

The solution is the triangular shaded area

see the attached figure

7 0
3 years ago
SOMEBODY PLEASE HELP BEEN STUCK FOREVER
Inga [223]

Answer:

Idk I would say 30

Step-by-step explanation:

8 0
3 years ago
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