A quadrilateral has 4 right angles, 2 pairs of sides of equal length, and 2 pairs of opposite sides that are parallel. The pairs of opposite sides are not the same length. What quadrilateral could it be?

Answers

Answer 1

Answer: Can you give me your answer options? Then maybe i can help you : )

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What is the vertex f(x)= 5x^2+20x-16

Answers

f(x) = 5x² + 20x - 16

y = 5(x² + 4x) - 16
y + 16 = 5(x² + 4x + __)

perfect square:
x² ⇒ x * x
4x ⇒ 2*2x
2² = 4

y + 16 + 4 = 5(x² + 4x + 4)
y + 20 = 5(x+2)²

(x+2)² ⇒ (x+2)(x+2) = x(x+2) + 2(x+2) = x² + 2x + 2x + 4 = x² + 4x + 4

y = 5(x+2)² - 20

The Idol's Eye diamond weighs 79.2 carats. The Blue Hope diamond weighs 33.68 carats less than the Idol's Eye. What is the weight of the Blue Hope diamond?

Answers

idol - 33.68 = blue hope
79.2 - 33.68= 45.52 carats <----- Answer

Answer:

45.52

Step-by-step explanation:

4. Martha must finish her math quiz in 35 minutes. She knows thatthere are 10 multiple-choice questions and 5 word problems.If each word problem takes her exactly 3 minutes to complete, howmuch time can she spend on each multiple-choice question?

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My answer is 2 because since she'll take a total of 15 minutes for the word problems, 35-15 is 20 minutes left, there's 10 multiple choice, 20 divides by 10 is 2 minutes each multiple choice question.. hope this helped:)

Please help me with this ! Write a short explanation if it can but not necessary.

Answers

Unfortunately, we can't draw it for you, as the diagram is in your book! To create the line, simply find some points on the line and connect them, extending the line past each point in the same direction (you can use a ruler to help with this). To find points on the line, plug in values for x to the equation and find the corresponding y-value.

Solve for u -5/2u = 15

Answers

Answer:

U = -1/6

How to solve:

Multiply both sides by 2U to get rid of the denominator and you should end up with

$- 5 = 15(2u)$

then multiply and devide to get your U by itself.

you should then get

$u = - (1)/(6)$

after symplifying.

Answer:

Answer:

u=−10

Step-by-step explanation:

Let's solve your equation step-by-step.

u−5/2u=15

Step 1: Simplify both sides of the equation.

u−5/2u=15

u+−5/2u=15(u+−52u)=15

(u+−52u)=15(Combine Like Terms)

−3/2u=15

Step 2: Multiply both sides by 2/(-3).

(2−3)*(−32u)=(−3)*(15)

u=−10

The actual length of c in the triangle shown is 15 cm. Use the scale drawing of the triangle to find the actual length of side a.

Answers

Answer: 9.375 cm

Step-by-step explanation:

From the given picture, it can be seen that the measure of side 'c' in triangle = 1.92 cm

The actual length of 'c' in the triangle = 15 cm.

The scale factor = $k=\frac{\text{ actual length of c}}{\text{length of c in figure}}$

$k=(15)/(1.92)=7.8125$

Now, the length of side 'a' = 1.2 cm

The actual length of side 'a' $k*1.2=7.8125*1.2=9.375\text{ cm}$

We can solve this problem by the rule of three:

1.5 cm---------------15 cm
1.2 cm--------------- x

x=(1.2 cm*15 cm) / 1.5 cm=12 cm.

answer. a=12 cm.

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Can some one help me on this plz