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Paha777 [63]
3 years ago
10

This isosceles triangle has two sides of equal length, a,

Mathematics
1 answer:
anygoal [31]3 years ago
3 0

Answer:

Step-by-step explanation:

2a + b = 15.7

2(6.3) + b = 15.7

b = 3.1

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Determine the area. Show your work. Round your answer to the nearest hundredth
vlabodo [156]

Answer:

54

Step-by-step explanation:

To solve this, you have to find the area of the square then the area of the triangle, and add them together.

To find the are of a square you multiply the base by the height.

Example: 6 × 6 = 36

To find the area of a triangle you multiply the base by the height and divide it by 2.

Example: 6 × 6 = 36

36 ÷ 2 = 18

Now we add both areas together.

Example: 36 + 18 = 54

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Oliga [24]
D is the best answer i think
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3 years ago
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A positive integer is twice another.the sum of the reciprocal of the two positive integer is 3/14. Find the integers
icang [17]

Answer:

\huge\boxed{14\ \text{and}\ 7}

Step-by-step explanation:

n,\ m-\text{positive integer}\\\\n=2m-\text{a positive integer is twice another}\\\\\dfrac{1}{n}+\dfrac{1}{m}=\dfrac{3}{14}-\text{the sum of the reciprocal of the two positive integer is }\ \dfrac{3}{14}\\\\\text{We have the system of equations:}\\\\\left\{\begin{array}{ccc}n=2m&(1)\\\dfrac{1}{n}+\dfrac{1}{m}=\dfrac{3}{14}&(2)\end{array}\right

\text{Substitute (1) to (2):}\\\\\dfrac{1}{2m}+\dfrac{1}{m}=\dfrac{3}{14}\\\\\dfrac{1}{2m}+\dfrac{1\cdot2}{m\cdot2}=\dfrac{3}{14}\\\\\dfrac{1}{2m}+\dfrac{2}{2m}=\dfrac{3}{14}\\\\\dfrac{1+2}{2m}=\dfrac{3}{14}\\\\\dfrac{3}{2m}=\dfrac{3}{14}\Rightarrow2m=14\qquad\text{divide both sides by 2}\\\\\dfrac{2m}{2}=\dfrac{14}{2}\\\\\boxed{m=7}

\text{Substitute it to (1):}\\\\n=2\cdot7\\\\\boxed{n=14}

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3 years ago
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Marianna [84]
I believe it would be 68 miles per hour! To find the unit rate here you would divide miles by hours, or 340 by 5, which would give you 68.
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3 years ago
You build and sell toy cars for $36 each. So far, you have built 25 toy cars. How many more toy cars will you have to build and
vovikov84 [41]
You need to build 20 more toy cars
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3 years ago
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