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3 years ago

Kevin can complete 44 multiplication problems in 2 minutes what's the unit rate

Mathematics

2 answers:

mart [117]3 years ago

8 0

22 problems in 1 minute

Vedmedyk [2.9K]3 years ago

5 0

22 problems in 1 minute

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The end of a house has the shape of a square surmounted by an equilateral triangle. If the length of the base is measured to be

sergij07 [2.7K]

Answer:

The area of the end is 1755.44 ft²

Therefore, the maximum error in calculating area of the end is 8.3592

Step-by-step explanation:

Consider the provided information.

The length of the base is measured to be 35 feet, with a maximum error in measurement of 1 inch,

$1\ inch = \frac{1}{12}\ feet$

The area of shape = Area of square + Area of equilateral triangle

$A=x^2+\frac{\sqrt{3}}{4}x^2$

Substitute x=35 in above.

$A=(35)^2+\frac{\sqrt{3}}{2}\times (35)^2=1755.44$

Hence, the area of the end is 1755.44 ft²

Differentiate $A=x^2(1+\frac{\sqrt{3}}{4})$ with respect to x as shown:

$dA=2x\ dx(1+\frac{\sqrt{3}}{4})$

Substitute dx =1/12 and x=35

$dA=2(35)\ \frac{1}{12}(1+\frac{\sqrt{3}}{4})=8.3592$

Therefore, the maximum error in calculating area of the end is 8.3592

6 0

3 years ago

What is the solution for x?

Sauron [17]

3 - x = 5

Add x on both sides.

3 - x + x = 5 + x

3 = 5 + x

Subtract 5 on both sides

3 - 5 = 5 - 5 + x

3 - 5 = x

x = 3 - 5

x = -2

6 0

3 years ago

Como se hace -8n+7=31

velikii [3]

-8n+7=31
-8n+7-7=31-7
-8n=31-7
-8n=24
-8n÷(-8)=24÷(-8)
n=24÷(-8)
n=-24÷8
n=-3

8 0

4 years ago

Plot the following points (3,6); (-1,6) and (-1,-6) on a grid to create three vertices of a rectangle. Find the missing vertex t

neonofarm [45]

Answer: (3,-6)

Step-by-step explanation: Find the answer by finding the negative of the other number.

7 0

4 years ago

<img src="https://tex.z-dn.net/?f=%28%5Csqrt%7B2%7D%20%2B%5Csqrt%7B3%7D%20%29%28%5Csqrt%7B5%7D%20-%5Csqrt%7B7%7D%20%29" id="TexF

Ray Of Light [21]

The simplified form of the function will be (√10 - √10 + √15 - √21 ).

<h3>What is an expression?</h3>

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division.

The expression will be calculated as:-

(√2 + √3 ) ( √5 - √7 ) = √2 (√5 + √7 ) + √3 ( √5 - √7 )

= √2√5 + √2√7 + √3√5 - √3√7

= √10 + √14 + √15 - √21

Therefore simplified form of the function will be (√10 - √10 + √15 - √21 ).

To know more about expression follow

brainly.com/question/723406

#SPJ1

6 0

2 years ago