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gladu [14]
3 years ago
8

-2r – 5a + 12r + 10 + 5a. HELP ASAP

Mathematics
1 answer:
levacccp [35]3 years ago
3 0

Answer:

It looks like 10r + 10.

Step-by-step explanation:

-2r + 12r = 10r

-5a + 5a = 0

+ 10 = 10

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What is the value of the discriminant for x2 + 5x = -7?​
Verdich [7]

Answer:

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Step-by-step explanation:

2x + 5x = -7

7x = -7

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2 years ago
A rectangular prism has a volume of 16 cm3 and a total surface area of 40 cm2. A similar prism has length 10 in., width 5 in., a
Kruka [31]
We know that
[volume of the similar prism]=10*5*5----> 250 in³
volume original prism=16 cm³
 1 in³---------> 16.3871 cm³
X----------> 16
x=16/16.3871------> x=0.9764 in³

[volume of the similar prism]=[scale factor]³*[volume original prism]
[scale factor]³=[volume of the similar prism]/[volume original prism]
[scale factor]³=[250]/[0.9764]------> 256.05
scale factor=∛256.05-------> 6.35

<span>the dimensions of the original prism are
1 in-----> 2.54 cm

</span>length 10 in/6.35-------> 1.57 in*2.54 cm/in-----> 4 cm
<span>width 5 in/6.35---------> 0.79 in*2.54 cm/in-----> 2 cm
</span><span>height 5 in/6.35--------> 0.79 in*2.54 cm/in----> 2 cm</span>
3 0
3 years ago
What is the percent of change from 14 inches 26 inches
PolarNik [594]
To find the percent of anything, you divide what you have from the total (or the smaller number over the bigger number). In this case, you will do 14/26.
14/26=0.53846
I'm going to round to the hundredths: 0.54
Move the decimal place two times to the right: 54
The percent change from 14 inches to 26 inches is 54%
4 0
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Toya has a monthly mortgage payment of $950. Her annual property taxes are $1200, her PMI is $65/month, and her homeowners insur
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Compute using significant digits. What is the area of a parallelogram with length 17.25 mm and width 5.065 mm?
Dmitriy789 [7]

Answer: Option 'a' is correct

Step-by-step explanation:

Since we have given that

Length of parallelogram =17.25 mm

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As we know the formula for " Area of parallelogram"

Area of parallelogram is given by

Area= length \times breadth\\\\17.25\times 5.065=87.03 \   mm^2

Hence, option 'a' is correct .

8 0
3 years ago
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