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kkurt [141]
3 years ago
8

If a polygon has four right angles, then it is either a square or a rectangle.

Mathematics
1 answer:
morpeh [17]3 years ago
5 0
B. A polygon is either a square or a rectangle
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A train leaves Roseville heading east at 6:00 am at 40 miles per hour. Another eastbound train leaves on a parallel track at 7:0
Molodets [167]

Answer:

At 11:00 am the both trains will be at same distance away from Roseville

Step-by-step explanation:

The first train was 40 miles away from Roseville at 7:00 am

After some time t the both trains will be at the same distance away from Roseville.

We will make equation for that situation

d- distance      v1= 40mph and v2= 50mph -  velocity

d =  v1*t + 40 = v2*t  => v2*t - v1*t = 40 => t (v2-v1) = 40 -> t = 40/ (v2-v1)

t = 40/(50-40) = 40/10= 4h      t = 4h

7:00 am * 4h = 11:00 am

Good luck!!!

6 0
3 years ago
A brand of uncooked spaghetti comes in a box that is a rectangular prism with a length of 9 inches, a width of 2 inches, and a h
MrMuchimi

<u>Answer:</u>

<h2>SA = 157 in²</h2>

<u>Steps:</u>

SA = 2LW + 2WH + 2LH

SA = 2(9×2) + 2(2×11/2) + 2(9×11/2)

SA = 2×18 + 2×22/2 + 2×99/2

SA = 36 + 22 + 99

SA = 157 in²

7 0
3 years ago
Please help me. I am pretty confused on this ​
Tanya [424]

Answer:

C

Step-by-step explanation:

16's square root is 4

8 0
3 years ago
Read 2 more answers
A transformation is applied to the smaller triangle, A, to
Sergio039 [100]

Answer:  dilation

Step-by-step explanation:

8 0
3 years ago
Someone help me plz!!
likoan [24]

Answer: x=15

Step-by-step explanation:

Since these are supplementary angles, we know that if we add them together we would get 180 deg. so....

(7x-10)+ (6x-5)=180

Kay so now we can combine like terms.

13x-15=180

Now we can add 15 to both sides.

13x=195

Finally Divide 13 on both sides.

X would then now equal 15.

6 0
2 years ago
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