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3 years ago

5 + y + 8 = ? when y = 4

Mathematics

2 answers:

marishachu [46]3 years ago

5 0

Easy 5+4=9+8=17 your answer is 17 :)

kiruha [24]3 years ago

5 0

So now with the four it is 5 + 4 + 8 + ?.
So 5 + 4 + 9. Now 9 + 8 = 17.
5 + 4 + 9 = 17.
I would be very thankful if I could be brainliest!

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Annie, Brianna & Carly are selling fruit boxes to raise money for their soccer team. All together the girls have sold 105 bo

GaryK [48]

Step-by-step explanation:

Annie = x

Brianna = y

Carly = z

Now,

x + y + z = 105 ...(1)

Carly has sold ten more than three times Brianna's sales.

z = 10 + 3y ...(2)

Brianna sold five more than Annie.

y = 5 + x ...(3)

Now,

z = 10 + 3y

z = 10 + 3(5 + x)

z = 10 + 15 + 3x

z = 25 + 3x

Now,

x + y + z = 105

x + (5 + x) + 25 + 3x = 105

5x + 30 = 105

5x = 105 - 30

5x = 75

5x/5 = 75/5

x = 15

So,

y = 5 + x

y = 5 + 15

y = 20

Now,

z = 25 + 3x

z = 25 + 3(15)

z = 25 + 45

z = 70

Thus,

Annie Sold 15 boxes

Brianna Sold 20 boxes

Carly Sold 70 boxes

6 0

2 years ago

How do you solve 5 is _____ % of 25

Aneli [31]

Let the missing % be x.

Now, according to your question ;

5 = x% of 25

5 = x / 100 * 25

thus, 25x = 500

Thus, x = 500/25

= 20

Thus, 5 is 20% of 25.

5 0

3 years ago

Read 2 more answers

Help me what do hay need to do

Airida [17]

1 times 10 is 10. 10 times 10 is 100. So for those 3 models, the base is 10. All grids relate to the base 10 number system, because from left to right, the shaded part is getting bigger (increasing) by multiplying by 10. Hope this helps!

7 0

2 years ago

10. Find the coefficient of x term in the expansion of (2x - 5)(x2 – 3x2 + 4).

m_a_m_a [10]

Answer:coefficient of x term is 8

Step-by-step explanation:I(2x-5)(x2-3x2+4)

(2x-5)(-2x2+4)

-4x3+8x+10x2-20

coefficient of x is 8

8 0

3 years ago

There is a total of 36 books on the bookshelf. The number of hardback books is 15 more than twice the number of paperback books.

uranmaximum [27]

The number of hardback books that are on the bookshelf is 29 books.

Let the total number of books be T.

Let the number of hardback books be H.

Let the number of paperback books be P.

<u>Given the following data:</u>

Total number of books = 36 books

To determine the number of hardback books that are on the bookshelf:

Translating the word problem into an algebraic expression, we have;

The total number of books is:

$T = H+P$

The number of hardback books is 15 more than <u>twice</u> the number of paperback books:

$H =2P+15$

Substituting the given parameters into the formula, we have;

$36 = 2P+15+P\\\\36=3P+15\\\\3P=36-15\\\\3P=21\\\\P=\frac{21}{3}$

P = 7 books

For number of hardback books:

$H =2P+15\\\\H=2(7)+15\\\\H=14+15$

H = 29 books

Read more on word problem here: brainly.com/question/24604067

3 0

2 years ago