MATHEMATICS HIGH SCHOOL

A test is worth 50 points. Multiple- choice questions are worth 1 point, and short answer questions are worth 3 points. if the test has 20 questions, how many multiple-choice questions are there?A. m + 3s =20
B.m + 3s + 20 =50
C. m + 3s = 50
D. m + s + 50

Answers

Answer 1
Answer: Correct answer is C. 
m + 3s = 50 
the total number of questions is 20. since the paper is made of only multiple choice and short answer questions, the sum of the multiple choice and short answer questions should be 20.
since multiple choice is 'm' and short answer is 's'
then m + s = 20
but theres no option for that 
if we take the number of points 
points for 1 multiple choice question - 1
then points for m number of multiple choice questions = 1 * m = m
points for 1 short answer - 3
then points for s number of short answer question = 3 * s = 3s
then total number of points = m + 3s
and the total number of points = 50
therefore 
m + 3s = 50
this is the correct answer C.
Answer 2
Answer:

Answer with Step-by-step explanation:

Points for 1 multiple choice question = 1

Then, points for m number of multiple choice questions = 1 × m = m

Points for 1 short answer = 3

Then points for s number of short answer question = 3 ×s = 3s

Total number of points = m + 3s

and the total number of points = 50  

i.e. m + 3s = 50

Hence, correct option is:

C. m+3s=50

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The perimeter of a rectangular garden is 338 m.If the width of the garden is 74 m, what is its length?

Answers

Answer:

l=95

Step-by-step explanation:

Perimeter is all the sides add up. So the equation if you know two of the sides, it should be: 338=(2*74)+(2*l)

Answer:

Step-by-step explanation:

the perimeter is 2w plus 2l

so 338 = 74(2)+2l

338 = 148+2l

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Debra got a prepaid debit card with $15 on it. For her first purchase with the card, she bought some bulk ribbon at a craft store. The price of the ribbon was 19 cents per yard. If after that purchase there was $12.72 left on the card, how many yard of ribbon did Debra buy?

Answers

Answer:1

12 yards of ribbon

Step-by-step explanation:

15 - 0.19 x 12 = 12.72

Please help I’m stuck

Answers

Answer: your answer would be c (-12,-24)

Step-by-step explanation:    the coordinates of R is (-2,-4) so you do 6 times -2 which gives you -12 and then 6 times -4 which gives you -24. You put the numbers together which makes (-12,-24).

I hope this helps you out  stay safe.
C , just multiply by 6 because si getting bigger and the photo is dialated

Rewrite the following linear equation in slope-intercept form. Write your answer with no spaces. y+2=4(x-3)

Answers

Answer:  The required slope-intercept form of the given linear equation is

y=4x-14.

Step-by-step explanation:  We are given to write the following linear equation in slope-intercept form :

y+2=4(x-3)~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

We know that

the slope-intercept form of a straight line is written as

y=mx+c,

where 'm' is the slope and 'c' is the y-intercept of the line.

From equation (i), we have

y+2=4(x-3)\n\n\Rightarrow y+2=4x-12\n\n\Rightarrow y=4x-12-2\n\n\Rightarrow y=4x-14.

Thus, the required slope-intercept form of the given linear equation is

y=4x-14, where slope, m = 4 and y-intercept, c = -14.
it would be y=4x-14.

Find the area of a triangle with a base length of 3 units and a height of 4 units.

Answers

Formula for area of triangle: (1/2)bh, where b is base and h is height.

So (1/2) * 3 * 4 = 6
6 units
1/2 base by height
Your answer is 6

A sequence is defined recursively by f(1)=16 and f(n)= f(n-1)+2n. Find f(4)

Answers

Hi,

f(1)=16
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f(3)=f(2)+2*3=20+6=26
f(4)=f(3)+2*4=26+8=34
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