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3 years ago

PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE HELP ME

Mathematics

2 answers:

kherson [118]3 years ago

4 0

She needs 11 1/4 pounds of butter to make 15sandwiches

natima [27]3 years ago

4 0

She needs about 11/1 4

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someone please explain to me how to find the area PLEASE! Find the area and perimeter of quadrilateral ABCD below. Explain your

Lunna [17]

Answer:

Part A) The area of the figure is $24\ units^{2}$

Part B) The perimeter of the figure is $20\ units$

Step-by-step explanation:

step 1

Find the area of the figure

we know that

The area of the figure is equal to the area of triangle ABD plus the area of triangle BCD

The area of triangle is equal to

$A=\frac{1}{2}bh$

Area of triangle ABD

Observing the graph

$b=BD=(-2+8)=6\ units$

$h=(9-5)=4\ units$

substitute

$A=\frac{1}{2}(6)(4)=12\ units^{2}$

Area of triangle BCD

Observing the graph

$b=BD=(-2+8)=6\ units$

$h=(5-1)=4\ units$

substitute

$A=\frac{1}{2}(6)(4)=12\ units^{2}$

The area of the figure is

$12\ units^{2}+12\ units^{2}=24\ units^{2}$

step 2

Find the perimeter of the figure

we know that

The perimeter of the figure is equal to

$P=AB+BC+CD+AD$

we have

$A(-5,1),B(-8,5),C(-5,9),D(-2,5)$

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

Find the distance AB

$d=\sqrt{(5-1)^{2}+(-8+5)^{2}}=5\ units$

Find the distance BC

$d=\sqrt{(9-5)^{2}+(-5+8)^{2}}=5\ units$

Find the distance CD

$d=\sqrt{(5-9)^{2}+(-2+5)^{2}}=5\ units$

Find the distance AD

$d=\sqrt{(5-1)^{2}+(-2+5)^{2}}=5\ units$

substitute the values

$P=5+5+5+5=20\ units$

7 0

3 years ago

Find the value of x.

AnnyKZ [126]

Answer: 69

Step-by-step explanation: a triangle adds up to 180 degrees. It is an isosceles triangle (2 sides are the same angle) 180-42=138 then do 138/2=69

5 0

3 years ago

Use the given information to determine the exact trigonometric value.

RoseWind [281]

Answer:

A) on edge or -2 squareroot of 6/5

Step-by-step explanation:

I took the test

6 0

3 years ago

Jacob's favorite movie is 1 5/6 hours long. He says he has watch the movie 5 and a half times. If that is true. How many hours h

34kurt

$1\frac{5}{6}$ = $\frac{11}{6}$ , and when you multiply it by 5 it turns into $\frac{55}{6}$ , which is $9\frac{1}{6}$

So in conclusion he watched 9 & 10 minutes watching the movie

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3 years ago

What is 2(-5 + 3) as an equivalent expression. What is the value of the expression?

Orlov [11]

Answer: 2(-5+3) is the equivalent of -10+6. the value is -4

Step-by-step explanation:

8 0

2 years ago