All categories

2 years ago

I’m confused on this one

Mathematics

1 answer:

matrenka [14]2 years ago

4 0

Take a look at triangle OFG, whose hypotenuse is 13 and whose longer side is 12. Its shorter side is 5, via the Pythagorean Theorem. Thus, the width of the trapezoid is 5.

Then the area of the trapezoid is

A = (average of the lengths of the trapezoid)(width of trapezoid)

30+ 40

= -------------- * 5 = 35*5= 175 square units.

You might be interested in

Help solve 4 and 5 please

Sloan [31]

Answer:

Step-by-step explanation:

4). a). If the diagonals of a parallelogram are congruent, then it must be a RECTANGLE.

b). If the diagonals of a parallelogram are perpendicular, then it must be a SQUARE.

c). If the diagonals of a parallelogram bisect the angles of the parallelogram, then it must be a RHOMBUS.

d). If the diagonals of a parallelogram are perpendicular and congruent, then it must be a SQUARE.

e). If a parallelogram has four congruent sides, then it must be a SQUARE.

5). Given quadrilateral SELF is a rhombus.

a). All sides of a rhombus are equal,

Therefore, ES = EL = 25

b). Diagonals of a rhombus bisects the opposite angles,

Therefore, m∠ELS = m∠FLS

3x - 2 = 2x + 7

3x - 2x = 7 + 2

x = 9

c). Diagonals of the rhombus bisect the opposite angles, and adjacent angles are supplementary.

m∠ELF = 2(m∠ELS) = 2(2y - 9)

m∠LES = 2(m∠LEF) = 2(3y + 9)

And 2(2y - 9) + 2(3y + 9) = 180

(2y - 9) + (3y + 9) = 90

5y = 90

y = 18

6 0

2 years ago

Unit 4 Lesson 13 exit ticket (please help me im getting stressed with this)

Illusion [34]

Answer:

1. is A

and

2. is c

Step-by-step explanation:

hope this helps

5 0

2 years ago

Read 2 more answers

9x2y3, for x= 5 and y=3.

kondor19780726 [428]

Answer:

if you tell me what it means I can help you

5 0

1 year ago

Read 2 more answers

Rachel buys 1 gallon of milk. Her sister Abby uses 1 1 2 quarts of the milk in a recipe. Then her mother uses 3 cups of the milk

mrs_skeptik [129]

1 Gallon is equal to 4 Quarts.

$4-1\frac{1}{2} =2\frac{1}{2}$

$2\frac{1}{2}$ Quarts is equal to 10 Cups.

$10-3=7$

There are 7 Cups left.

7 Cups is equal to 56 Fluid Ounces.

Therefore, the answer is B.

7 0

2 years ago

A bird with a mass of 1.5 kg flies at a rate of 4.0 m/s. What is the kinetic energy of the bird?

weqwewe [10]

The answer is 12 J.

The kinetic energy (KE) of an object is expressed as the product of half of the mass (m) of the object and the square of its velocity (v²):
$KE = \frac{1}{2} m*v^{2}$

The unit of the kinetic energy is Joules (J = kg · (m/s)²).

It is given:
m = 1.5 kg
v = 4 m/s

It is unknown:
KE = ?

Thus:
$KE = \frac{1}{2} m*v^{2}$
<span> $KE = \frac{1}{2} 1.5kg*(4 m/s)^{2}$ </span>
<span> $KE = 0.75kg*16(m/s)^{2}$ </span>
$KE = 12 kg*(m/s)^{2}$
$KE = 12J$

Therefore, the kinetic energy of the bird is 12J.

3 0

2 years ago

Read 2 more answers