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3 years ago

5

Which statements are true? Check all that apply. All rectangles are squares. All rhombi are parallelograms. All squares are rhom

bi. All trapezoids are parallelograms. No trapezoid is a rectangle.

1 answer:

Ede4ka [16]3 years ago

6 0

Answer:

All rhombi are parallelograms.

All squares are rhombi.

No trapezoid is a rectangle.

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If the lengths of two sides of a triangle are 6 and 7, the length of the third side may be

Ghella [55]

Answer:

The third side may be between 1 and 13 units

Step-by-step explanation:

Let the missing side is x.

According to the triangle inequality theorem, the sum of any two sides of a triangle is greater than the third side.

<u>We have inequalities:</u>

6 + 7 > x ⇒ x < 13
6 + x > 7 ⇒ x > 1
7 + x > 6 ⇒ x > - 1

<u>The common solution is:</u>

1 < x < 13

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3 years ago

Darrin is hanging 200 feet of Christmas garland on the fencing that encloses his rectangular front yard. The length is 5 feet le

frutty [35]

Answer:

Width = 17.5 feet,

Length = 82.5 feet.

Step-by-step explanation:

We have been given that Darrin is hanging 200 feet of Christmas garland on the fencing that encloses his rectangular front yard. This means that perimeter of rectangular front yard is 200 feet.

We know that perimeter of rectangle is two times the sum of length and width of rectangle. We can represent this information in an equation as:

$2(l+w)=200...(1)$

We are also told that the length is 5 feet less than 5 times the width. We can represent this information in an equation as:

$l=5w-5...(2)$

Upon substituting equation (2) in equation (1), we will get:

$2(5w-5+w)=200$

$2(6w-5)=200$

$12w-10=200$

$12w-10+10=200+10$

$12w=210$

$\frac{12w}{12}=\frac{210}{12}$

$w=17.5$

Therefore, the width of rectangular front is 17.5 feet.

Upon substituting $w=17.5$ in equation (2), we will get:

$l=5(17.5)-5$

$l=87.5-5$

$l=82.5$

Therefore, the length of rectangular front is 82.5 feet.

7 0

3 years ago

Read 2 more answers

If the cube root parent function is horizontally stretched by a factor of 4, then translated 5 units right and 3 units up, write

Gala2k [10]

Answer:

<u>The cube root parent function:</u>

f(x) = $\sqrt[3]{x}$

<u>Horizontally stretched by a factor of 4:</u>

g(x) → f(1/4x) = $\sqrt[3]{1/4x}$

<u>Translated 5 units right:</u>

h(x) → g(x - 5) = $\sqrt[3]{1/4x - 5}$

<u>Translated 3 units up:</u>

k(x) → h(x) + 3 = $\sqrt[3]{1/4x - 5} + 3$

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3 years ago

If I have a 62% in a class, what percentage do I need to get on a 50% weighted test grade to have at least a 70% in the class?

Nastasia [14]

Answer:

78%

Step-by-step explanation:

70 = 0.50 (62) + 0.50 (x)

70 = 31 + 0.5x

39 = 0.5x

x = 78

You must get at least a 78% on the test to have at least 70% in the class.

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3 years ago

11 12 13 Please help! Will reward brainliest

RoseWind [281]

11. 9/20
12. 13/20
13. 12/20

that's if it doesn't have to be in percentage form

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3 years ago