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riadik2000 [5.3K]
3 years ago
10

HELP, 30 POINTS !!

Mathematics
2 answers:
sasho [114]3 years ago
8 0
The first one is S(s-4)=7 , and the Second one is 7
vampirchik [111]3 years ago
6 0

Answer: s(s+4)=7, 7 shelves

Step-by-step explanation:

I think it's easiest to find these type of answers by finding the common factors of a number. First 77, they are 1×77 & 7×11.so you can have 11 rocks on 7 shelves or 7 rocks on 11 shelves. The question states the number or rocks on the shelf is more than the number of shelves, so you must have 11 rocks on 7 shelves. You know you have 77 rocks, so the equation must equal 77. I plugged 7 in for s in the equations to determine the correct answer. 7(7+4)=77.

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What is the value of x?
butalik [34]

Answer:

it should be 47

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
HELP!!!!
aniked [119]

Answer:

A. Plane B because it was 9.33 miles away

B. 48 units

Step-by-step explanation:

A. Since the airplanes fly at an angle to the runway, their direction forms a triangle with the runway with their height above the ground as the opposite of the angle and their distance from the airport as the hypotenuse.

So for airplane A with 44° angle of departure,

sin44° = y/h where y = height above the ground and h = distance from airport

So h = y/sin44° = 6/sin44° = 8.64 miles

So for airplane B with 40° angle of departure,

sin40° = y/H where y = height above the ground and H = distance from airport

So H = y/sin40° = 6/sin40° = 9.33 miles

Since airplane B is at 9.33 miles away from the airport whereas airplane A is 8.64 miles from the airport, airplane B is farther away.

B. We know that scale factor = new size/original size

Our scale factor = 4 and original size = 12 units. So,

new size = scale factor original size = 4 × 12 = 48 units.

8 0
3 years ago
Simplify the expression (x+3)2−4(x+3).
LUCKY_DIMON [66]
For this one the answer is -2x-6
8 0
3 years ago
Sarah has a bag of green and yellow marbles. The number of yellow marbles is 2 less than double the number of green marbles. If
Igoryamba

Answer:

y = 2g - 2

y + g = 16

Step-by-step explanation:

Given

Let g represent the green marbles

Let y represent the y marbles

Required

Determine the relationship between both marbles

The question says that y is 2 less than twice of g

This implies that: y = 2g - 2

The question further states that, Sarah has a total of 16 marbles;

This implies that y + g = 16

So, the system of equation that defines the relationship between y and g are:

y = 2g - 2

y + g = 16

3 0
3 years ago
Your parents have $2745.69 on credit card with a 12.75% apr. They miss their minimum payment and there is a late fee of $29.00.
svetoff [14.1K]

Answer: Their balance at the beginning of their second month is $2803.86.

Step-by-step explanation:

Since we have given that

Amount on credit card = $2745.69

APR on credit card = 12.75%

Late fee = $29

According to question, they miss their minimum payment .

So, their balance at the beginning of their second month is given by

2745.69\times \frac{12.75}{12\times 100}\\\\=29.17\\\\\text{After late fees }=29.17+29\\\\=58.17\\\\\text{ Amount in the beginning of their second month }\\\\=\$2745.69+58.17\\\\=2803.86

Hence, their balance at the beginning of their second month is $2803.86

7 0
3 years ago
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