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VladimirAG [237]
3 years ago
5

i need help with my homework plssssss stella drank 2/3 of her water on monday and on tuesday she drank 3/7 how much alltogether

write as a mixed number
Mathematics
1 answer:
mel-nik [20]3 years ago
5 0

Answer:

1  2/21

Step-by-step explanation:

2/3 + 3/7

14/21+ 9/21= 23/21

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A small company is creating a new product to sell to buyers. They have estimated that it will cost them $6 to produce each item
miv72 [106K]

Answer:

$347,600

Step-by-step explanation:

There is fixed startup cost of 242,000 no matter how many units they product.

Also, each unit costs 6 to produce, so to produce 17,600 items, it's going to cost:

17,600 * 6 = 105,600

Along with this the fixed startup cost of 242,000, would make total cost:

Total cost = 242,000 + 105,600 = $347,600

8 0
3 years ago
Andrea and Helen participated in a donut eating contest. Andrea ate six more than four times the number of donuts that Helen ate
lys-0071 [83]

Answer:

4d + 6

Step-by-step explanation:

Helen ate d donuts.

Andrea ate 6 more than 4 times d.

4d + 6

8 0
3 years ago
Read 2 more answers
Which is a solution to the equation?
Brrunno [24]

Answer:

-7 or 4

Step-by-step explanation:

use foil to get the quadratic equation:

x^2+5x-2x-10=18

x^2+3x-10=18

bring "18" to the left:

x^2+3x-10-18

x^2+3x-28

so what*what= -28

and

what+what=3

factors of -28: -7,4   -4,7   14,-2   -14,2    -28,1   -1,28

factors whose sum is 3: 7,-4

so substitute "7,-4" in place of 3:

x^2+7x-4x-28

2) split it in two groups

group 1) x^2+7x

group 2) -4x-28

x^2+7x has a GCF of "x"

x(x+7)

group 2) -4x-28 has a gcf of "-4"

-4(x+7)

3) (x-4) (x+7)=0

x-4=0

x=4

x+7=0

x=-7

x=4,-7

Hope this helps!

4 0
3 years ago
8th grade math: Mr. Giles has 6 horses; each horse eats about 85 pounds of feed per year.
LekaFEV [45]

Answer:

510 pounds

Step-by-step explanation:

6x85=510

3 0
4 years ago
Read 2 more answers
5d^9\4(d)^2. Simplify
Vesna [10]

Answer: <u>5d^7/4</u>

Step By Step:

d^2/d^2 = d^9-2

= 5d^9-2 / 4

= 5d^7/ 4

7 0
3 years ago
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