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Aneli [31]
3 years ago
15

This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b. The perimeter of the t

riangle is 15.7 centimeters. The equation can be used to find the side lengths.
If one of the longer sides is 6.3 centimeters, what is the length of the base?

cm
Mathematics
2 answers:
sergey [27]3 years ago
8 0
Because it is an isosceles triangle, the two longer sides are the same length. Therefore multiply 6.3 times 2.
To find the length of the base subtract 12.6 from 15.7 to get 3.1 cm.
yulyashka [42]3 years ago
5 0

Answer:

3.1 is the answer

Step-by-step explanation:

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If 1+9+8=1 then 2+8+9=x
Gwar [14]
Assuming this is some kind of modular question, maybe mod 17.

since 1+8+9=1, we can say that 8+9=0
therefore, 2+0=x, so x=2
6 0
3 years ago
A certain solution of salt water is 10% salt and weighs 50 pounds. more salt must be added to produce a solution that is 25% sal
Semenov [28]

Answer

7.5 pounds

Step-by-step explanation:

Since adding x grams of salt will bring th percentage of the salt to 25

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5+ x/ 50 * 100= 25/

5+x /50 = 0.25

5+x = 12.5

X= 12.5- 5

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8 0
3 years ago
Find the area. 1m 2.1m and 0.9m
Elina [12.6K]
Just multiply w*l*h
1.89m cubed
6 0
3 years ago
What is the solution?
monitta

Answer:

(4, 4)

Step-by-step explanation:

y = 7/4 x - 3       graph (0, -3) (2, .5), (4, 4) (8, 11).  Draw the line

y = x                        graph (0,0)  (2, 2), (4, 4) , ( -2, -2).  Draw the line

The two lines intersect at point (4, 4)

8 0
3 years ago
7 – five-sevenths= A. two-sevenths B. 1two-sevenths C. 6two-sevenths D. 6start fraction 5 over 7 end fraction
Vlada [557]

Answer:

C

Step-by-step explanation:

To solve it will be easier to turn 7 into a rational number with the same denominator as 5/7

To do this make ratios

\frac{7}{1}=\frac{x}{7}

Now solve for x

x = 49

This means that the fraction will be 49/7

\frac{49}{7}-\frac{5}{7}=\frac{44}{7}

This can also be written as 6\frac{2}{7}

4 0
3 years ago
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