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Sonja [21]
2 years ago
14

Please answer today, I will give brainly crown when I can :)

Mathematics
2 answers:
alina1380 [7]2 years ago
7 0

Answer:

Sylvia will be 17 years old.

Step-by-step explanation:

JulijaS [17]2 years ago
3 0

Answer:

A) k = s - 4

B) s = 17

Step-by-step explanation:

<u>Part A:</u>

Let k be Katie's age and s be Sylvia's age.

Since Katie is 4 years younger than Sylvia, we need to subtract 4 from Sylvia's age.

<u>So, the equation is:</u>

k = s - 4

<u>Part B:</u>

Given that k = 13

Put in the above equation

13 = s - 4

Add 4 to both sides

13 + 4 = s

17 = s

OR

s = 17

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
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A certain hybrid car has a mileage rating of 57 miles per gallon. if the car makes a trip of 293 miles, how many gallons of gaso
dlinn [17]
To determine the number of gallons of gasoline that is used, we need to know the rate of usage of gasoline. This rate would describe the number of gasoline in units of volume that is being used per distance in units of length. In this case, we need the rate in units of miles per gallon. From what is asked and the given values, we simply divide the rate to the the total distance that was traveled by the car. We calculate as follows:

Gallons of gasoline = 293 miles / 57 miles / gallon
Gallons of gasoline = 5.14 gallons

Therefore, about 5 gallons of gasoline was consumed by the hybrid car for a distance of 57 miles.
4 0
3 years ago
Help please! I’ll give brainliest.
Lapatulllka [165]

9514 1404 393

Answer:

  (a) not proportional

  (b) k = 7/8

Step-by-step explanation:

When a linear equation is of the form ...

  y = mx + b

with b ≠ 0, the relation is NOT PROPORTIONAL.

__

If b=0, so the equation is of the form ...

  y = kx

then the relation IS PROPORTIONAL. The constant of proportionality is k.

__

(a) Not proportional

(b) Proportional with k = 7/8

8 0
3 years ago
Please help me out, i can not understand this, i will give a brainliest out to whoever can help me
marishachu [46]

Answer:

So try 0-6

Step-by-step explanation:

6 0
2 years ago
Negative 4 equals r/20 minus 5
levacccp [35]

Answer: r = - 20

Step-by-step explanation:

-4 = \frac{r}{20} - 5

\frac{r}{20} = 4-5

\frac{r}{20}=-1

\frac{r}{20}*20 = -1 * 20

r = -20

5 0
3 years ago
What is m∠1? Help me, please
vesna_86 [32]

Answer:

119

Step-by-step explanation:

By using exterior angle theorem, we know that 31+angle 1 =150. therefore angle 1=119. Exterior angle theorem is where an angle exterior of an angle in the triangle addus up to 180 degreees, we also know the angles in a triangle sum to 180 degrees. Both sides have a common angle. If we subract it from the equation, we get what is said above.

5 0
2 years ago
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