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3 years ago

True or False?

Mathematics

2 answers:

Talja [164]3 years ago

5 0

Answer:

True as each slope creates a shorter line so each shape would be congruent but only if compasses are used to find the central point.

Step-by-step explanation:

rectangle slopes which means they are congruent using a point to show equal distance.

You cnanot get congruency from diagonal vertices to vertices with rectangles only midpoints using compass.

Stells [14]3 years ago

3 0

Step-by-step explanation:

True, because the area would be 300 squared inches, that divided by 3 is 100, and this can make three 10 by 10 squares:)

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marita orders 12 yards of material to make banners. if she needs 1 foot of fabric for each banner, how many banners can she make

Aliun [14]

36 banners is the corect answer

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3 years ago

8. Carol and Curtis are running a half mile race. Curtis finished the race in 11 minutes and 8

MatroZZZ [7]

Answer:

Step-by-step explanation:

curtis is 22 min 16 sec carol is 18 min 6 sec

4 mins and 10 seconds it the difference

7 0

3 years ago

HELP PLEASE

mario62 [17]

Answer:

26.4

Step-by-step explanation:

<u>Law Of Cosines:</u>

$cos(A)=\frac{b^2+c^2-a^2}{2bc}$

This should work for any side. This can generally be thought as:

$cos(\text{angle}) = \frac{\text{sum of squares of two other sides-opposite side squared}}{\text{2 times the product of the other two sides}}$

If this is too confusing here's the formula for the other sides (which is essentially the same, just different variables)

$cos(B)=\frac{a^2+c^2-b^2}{2ac}$

$cos(C) =\frac{a^2+b^2-c^2}{2ab}$

Anyways now just plug in the known values into the equation

$cos(A)=\frac{4^2+6^2-3^2}{2(6)(4)}\\$

Square and multiply values

$cos(A)=\frac{16+36-9}{48}$

Add the values in the numerator

$cos(A)=\frac{43}{48}$

Take the inverse of cosine on both sides

$A=cos^{-1}(\frac{43}{48})$

calculate arccosine (inverse cosine) using a calculator

$A\approx 26.384$

Round to nearest tenth

$A\approx26.4$

7 0

2 years ago

A square is ______ a rectangle..

SVEN [57.7K]

Every square is always rectangle because it is a quadrilateral with all four angles, right angles

3 0

4 years ago

To which subsets of the real numbers does the following number belong? square root of seven

alexandr402 [8]

Answer: this might be wrong well we all know it’s is going to be wrong but let’s give it a shot so I am probably going to go with answer C

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5 0

3 years ago

Read 2 more answers