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In-s [12.5K]
3 years ago
8

Which expression is equivalent to 91+39 ?

Mathematics
1 answer:
KIM [24]3 years ago
5 0

Answer:

130

Step-by-step explanation:

i think

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Xyz-qrs and the scale factor from xyz to qrs is 2/5. what is the length of side rs?
raketka [301]

Answer:

RS = 10

Step-by-step explanation:

We are told that to get ∆QRS, the scale factor of ⅖ was used. To get side RS, we would multiply the side length of the side that corresponds to RS.

YZ corresponds to RS.

YZ = 25

Thus,

RS = 25*⅖

RS = 10

3 0
2 years ago
For r=2+3sintheta find dy/dx and the slope of the tangent line to the curve
brilliants [131]
F(x)=2+3sin(theta)
f'(x)=3cos(theta)

To find the slope you need the value of theta. The general formula is:

y-f(xo)=f'(xo)-(x-xo)

8 0
3 years ago
Use distributive property to write an expression without parentheses using the numbers 7,5,6,3 to equal 75
UNO [17]
How many was to make49 out of ones and tens
5 0
3 years ago
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5×6 ÷ (9-4)= use PEMDAS FORGOT HOW TO DO THIS
Morgarella [4.7K]

PEMDAS = Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction

This is the order of how to solve the problems. For this problem, we can start with parentheses since it has that in this equation.

5 x 6 ÷ (5)

The next step is to do Multiplication.

30 ÷ 5

Finally Division.

6

This is your final answer.

Hope that helps!

5 0
3 years ago
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the original plan for mr Harris's house is a rectangle that measures 40ft by 50ft. because of the increase and cost of materials
Sloan [31]

Answer: The dimesions will be decreased by 13.05%.

Step-by-step explanation:

Hi, we have to calculate the original area.

Area of a rectangle = Length x width

Replacing with the values given:

A = 40x50 = 2000 ft2

Since is reduced to 1739. if we multiply the original area by a the percentage decrease, and subtract that value to the original area, we obtain 1739 ft2.

2000 - (2000x) = 1739

Solving for x

-2000x = 1739 -2000

-2000x = -261

x =-261/-2000

x = 0.1305

Multiply by 1000 to obtain the percentage:

0.1305 x 100 = 13.05%

6 0
3 years ago
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