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tresset_1 [31]
3 years ago
11

Two integers whose product is 90 and whose sum is 21

Mathematics
2 answers:
Likurg_2 [28]3 years ago
8 0

Answer:

6 and 15

Step-by-step explanation:

Leni [432]3 years ago
5 0

Answer:

6 and 15

Step-by-step explanation:

the factors of 90 are:

1   90

2   45

3   30

5   18

6   15

9   10

find the factors that =21

6+15=21 and 6 x 15=21

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23 POINTS! NINTH GRADE ALGEBRA HOMEWORK PLEASE HELP ASAP!!
DaniilM [7]

\frac{ - b \sqrt{b {}^{2}  - 4 \times a \times b} }{ - 2 \times a}
a =  {x}^{2}  \\ b = x \\ c = 12
\frac{ - ( - 2) \sqrt{ { - 2}^{2}  - 4 \times 2(x)\times  - 12} }{  -  2 \times 2}
8 0
3 years ago
Define a variable write an equation and solve the problem. the width of a rectangle is 3 meters more than one-fourth its length.
sweet [91]

Let's assume

length of rectangle is L

width of rectangle is W

the width of a rectangle is 3 meters more than one-fourth its length

so,

W=3+\frac{1}{4} L

the perimeter is 10 meters more than twice its length

we know that

perimeter =2(L+W)

so, we get

2(L+W)=10+2L

now, we can simplify it

2L+2W=10+2L

subtract both sides by 2L

2L+2W-2L=10+2L-2L

2W=10

W=5

now, we can find L

5=3+\frac{1}{4} L

subtract both sides 3

5-3=3-3+\frac{1}{4} L

2=\frac{1}{4} L

multiply both sides by 4

4*2=4*\frac{1}{4} L

L=8

so,

length of rectangle is 8 meter

width of rectangle is 5 meter ............Answer

4 0
3 years ago
A film club initially had 300 members. However, its membership has since decreased by 6% each year. How many members did the clu
mezya [45]
F(x) = 300(1-.06)^5
f(x) = 300(.7339040224...)
f(x) = 220.17120672
After 5 years, the club should still have 220 members.
8 0
3 years ago
Write the extreme and middle terms of 5 : 80 :: 4 :64
Stells [14]

Answer:

The extremes are 5 and 64.

The middle terms are 80 and 4.

Step-by-step explanation:

Given the proportion:

5 : 80 :: 4 :64

To find:

The extreme and middle terms of the given proportion.

Solution:

The given statement is in proportion if and only if the product of extremes i.e. the numbers at both the ends is equal to the product of middle numbers.

OR

First number \times Fourth number = Second number \times Third number

First of all, let us check the two products.

5 \times 64 = 320

And the second product:

80 \times 4 = 320

The product is same therefore, the given numbers are in proportion.

The extreme terms are the first and the fourth numbers.

i.e. The extremes are 5 and 64.

The middle terms are 80 and 4.

7 0
3 years ago
4. Ms. Hope is five times as old as her daughter. The sum of
olga2289 [7]
5x+x=42
X=7
The daughter is 7
Check work 7 times 5 is 35, 35 plus 7 is 42
5 0
3 years ago
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