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3 years ago

Please help me quickly !

Mathematics

2 answers:

maw [93]3 years ago

8 0

Answer:

Step-by-step explanation:

Let b = the total number of boxes

b * 4/7 = 56

Multiply each side by 7/4

7/4 * b* 4/7 = 7/4 *56

b =98

The store had 98 boxes

Vikentia [17]3 years ago

5 0

Answer:

the second one, 98

Step-by-step explanation:

56/4=14

14*7=98

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Create a scenario that leads to an inequality of the form ax + b > c

blagie [28]

Answer:

Johnny wants to buy a game but he doesn't have enough money. He needs to have at most $60 to buy his game. He has $5 in his piggy bank and gets $11 for every hour for working. Write an inequality where x represents his hours.

11x + 5 ≤ 60

Not that good but its better than nothing.

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3 years ago

Mrs dayson diveded her collection of 52 glass bear into equal groups sha had 1 bear left over how manny groups did Mrs dayson ma

lisov135 [29]

Answer:

Step-by-step explanation:

3 groups of 17 are the only way to divide 51 evenly.

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3 years ago

a playing field measures 120 yards by 64 yards supose you run dignolly across the field use he pythagorean theroem to determine

Aloiza [94]

You have to use the Pythagoras theorem: c² = a²+b²
You have been given the c side, the diagonal side, and the b side the height side. You need to square both of them, take them away from each other and then get the square root of that answer;

120²-64² = 10302
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The answer is 101.49ft,
Hope this helps! :)

3 0

3 years ago

The measure of an angle is two times the measure of its complementary angle. What is the

Sedbober [7]

Answer:

30 and 60

Step-by-step explanation:

Complementary angles add up to 90o

x+2x=90

3x=90

x=30

2*30=60

30+60=90

7 0

4 years ago

The chorus has six sopranos and eight baritones. in how many ways can the director choose a quartet that contains at least one s

adell [148]

If you have six sopranos and eight baritones, you have fourteen musicians in total.
The number of possible quartets that you can get with 14 musician is:
$14C4= \frac{14!}{4!(14-4)!}$
$14C4= \frac{14!}{(4!)(10!)}$
$14C4=1001$

Now, the number of possible quartets without a soprano that you can have is:
$8C4= \frac{8!}{4!(8-4)!}$
$8C4= \frac{8!}{(4!)(4!)}$
$8C4=70$

Therefore, the number of quarters that contains at list one soprano will be the number of possible quarters minus the number of quarters without a soprano:
$1001-70=931$
We can conclude that the director can choose a quarter which contains at least one soprano in 931 ways.

4 0

3 years ago