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Inga [223]
3 years ago
8

A bag contains purple marbles and yellow marbles, 52 in total. The number of purple marbles is 4 more than 3 times the number of

yellow marbles. How many purple marbles are there?
Mathematics
1 answer:
Masja [62]3 years ago
5 0

Answer:

16

Step-by-step explanation:

This question can be modeled using the equation 3x+4=52 (x is the purple marbles). To solve this equation subtract 4 from both sides, making it 3x=48. divide both by three showing x=16. This shows that 16 is the answer.

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\Mrs. Sing invests $12,876 for her business at an annual interest rate of 7 percent for 3 years. Which number will Mrs. Sing sub
Ede4ka [16]

Answer:

0.07

Step-by-step explanation:its becuase 7% outta 100% =0.07. so  I=Prt

We have to solve for r

r=r/100

7%/100

0.07 per year

Hope this helps mark as brainliest plz

5 0
4 years ago
Read 2 more answers
Using the given set of numbers find the mean (rounded to the nearest tenth), median,mode and range: 18,19,16,18,14,17,18 and 15
sashaice [31]

Answer:

  • Mean = 16.9
  • Mode = 18
  • Median = 17.5

Step-by-step explanation:

<u>Given data:</u>

  • 18, 19, 16, 18, 14, 17, 18, 15

<u>The data in the ascending order:</u>

  • 14, 15, 16, 17, 18, 18, 18, 19

<u>The mean:</u>

  • (14 + 15 + 16 + 17 + 18*3 + 19)/8 = 16.9 (rounded)

<u>The median:</u>

  • (17 + 18)/2 = 17.5 (the average of middle terms)

<u>The mode:</u>

  • 18 (the most repeated number)
8 0
3 years ago
Read 2 more answers
margo spends 0.25 of her pay on a new dress,1/8 of her paycheck on shoes,and 24$ on her birthday present. if she spent $60 altog
guapka [62]
84.375
i think i am not really sure but i hope this helps
5 0
3 years ago
Which of the following is the equation of
Neporo4naja [7]

Answer:

a) Option A is correct.

b) Option C is correct.

Step-by-step explanation:

a) Which of the following is the equation of  the line passing through the points (1, 1)  and (-3,5)?

We will use the equation

(y-y₁)=m(x-x₁)

m= (y₂-y₁)/(x₂-x₁)

m= (5-1)/(-3-1)

m= 4/-4

m= -1

Consider point (1,1) and Putting value of m

(y-y₁)=m(x-x₁)

(y-1)=1(x-1)

y-1=x-1

y=x-1+1

y=x

So, Option A is correct.

b) Which of the following is the equation of a  line with a slope of 0 passing through (2,5)?

The formula used is:

y= mx+b

Finding b:

5=0(2)+b

=> b = 5

So, equation is:

y = mx+b

y=0x+5

y=5

So, Option C is correct.

5 0
3 years ago
Let A = {June, Janet, Jill, Justin, Jeffrey, Jelly}, B = {Janet, Jelly, Justin}, and C = {Irina, Irena, Arena, Arina, Jelly}. Fi
Hoochie [10]

Answer:

{June, Janet, Jill, Justin, Jeffrey, Jelly,Irina, Irena, Arena, Arina, }

Step-by-step explanation:

A ∪ C

This means union so we join the sets together

A = {June, Janet, Jill, Justin, Jeffrey, Jelly} + C = {Irina, Irena, Arena, Arina, Jelly}

A U C =  {June, Janet, Jill, Justin, Jeffrey, Jelly,Irina, Irena, Arena, Arina, Jelly}

We get rid of repeats

A U C =  {June, Janet, Jill, Justin, Jeffrey, Jelly,Irina, Irena, Arena, Arina, }

5 0
4 years ago
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