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Westkost [7]
3 years ago
6

Estimate the grade received on a test when 8 questions are answered correctly out of 40

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
5 0

Answer:

The correct answer is B. 20%

Scilla [17]3 years ago
5 0

Answer:

B. 20%

Step-by-step explanation:

You can multiply the fraction to get 40/200, then simplify it to get 20/100 or 20%.

Hope this helps! Let me know!

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Kiara made a square baby blanket she decided to add one foot of material to one side then cut 4 inches of material off from the
schepotkina [342]

Answer:

Step-by-step explanation:

960 which is the area u divide by the one foot which is 144 square units to get your answer,6.66666666667

8 0
2 years ago
Find the speed of a race car if it travels 5 miles in 2 minutes and 30 seconds
Tomtit [17]
You first convert the 2 minutes and 30 seconds to 150 seconds.

Then, you take the 150s÷5m to get the number of seconds per mile.

The answer is 30s/m
4 0
3 years ago
Are the two triangles similar? Explain your answer.
Sveta_85 [38]

Answer:

No

Step-by-step explanation:

Two triangles are  similar if their corresponding angles are congruent and the corresponding sides are in proportion  They  are the same shape, but not necessarily the same size

Triangle ABC  54 +68 +  58 = 180

Triangle EFG    68 +63 +49 = 180

In this case their corresponding angles are nor congruent

8 0
3 years ago
Simplify the following expression<br><br> [ (3x6) ] + (5x2) ] ÷ 7
KonstantinChe [14]
<span>[ (3x6) ] + (5x2) ] ÷ 7
= (18 + 10)/7
= 28/7
= 4</span>
6 0
3 years ago
Read 2 more answers
The area of a playground is 336 yd2. The width of the playground is 5 yd longer than its length. Find the length and width of th
kondaur [170]
L=16
W=21

Set up a systems of equations: 
x=length 
y=width 

xy=336
x+5=y

Use substitution to solve: 
x(x+5)=336
x^2+5x=336 

Solve using factoring: 
x^2+5x-336=0
(x-16)(x+21)=0
x=16 and x= -21 
Since length can't be negative, l=16 

To find width, plug length into the first equation: 
(16)y=336
y=21 

So...
L=16
<span>W=21</span>
7 0
3 years ago
Read 2 more answers
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