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sertanlavr [38]
3 years ago
9

A suit is on sale for

Mathematics
1 answer:
Luba_88 [7]3 years ago
5 0
476+23.8+11.9= 499 510 the answer is 511.70
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Kevin claims he can draw a trapezoid with three right angles. Is this possible? Explain.
MakcuM [25]
Using an indirect proof:

Assume that the figure is a trapezoid.
All trapezoids are quadrilaterals.
All quadrilaterals' interior angles add up to 360° because any n-gon's interior angles add up to 180(n-2)°.
We are given that the trapezoid has three right angles.
All right angles are 90°, thus these right angles have a total measure of 270°.
We can conclude fourth angle must be 90°.
If it has four right angles, it is a rectangle.
Rectangles have two sets of parallel sides.
However, trapezoids have exactly one set of parallel sides.
Alas, our figure cannot be a trapezoid.
8 0
3 years ago
Read 2 more answers
The temperature in one northern city was -12°F and in a southern city was 57°F. How much warmer
lara [203]

Answer

69°F

Because

12+57=69

3 0
2 years ago
How do you get the answer to this problem?<br> (2^3)(2^-7)
postnew [5]
(2^3)=2*2*2=8
(2^-7)=1/2*1/2*1/2*1/2*1/2*1/2*1/2=1/128
8*1/128=1/16=.0625
7 0
2 years ago
Please help! This is for Algebra 1
kow [346]
The first answer
-40y3/x5
8 0
3 years ago
A circle has a diameter of 14 feet. What is the circumference of the circle? Use 3:14 for pie.
Marianna [84]

Answer:

Circumference= 43.96 feet

Step-by-step explanation:

Diameter of the circle= 14 feet

Radius of the circle= 14/2= 7 feet

Circumference of the circle= 2\pi r

As, \pi =\frac{22}{7}=3.14

Circumference:

                          =2*3.14*7\\\\=3.14*14\\\\=43.96feet

The circumference of the circle with the radius= 7 feet is 43.96 feet

6 0
3 years ago
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