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4 years ago

Name six pairs of supplementary angles

Mathematics

1 answer:

Bas_tet [7]4 years ago

8 0

Supplementary angles are those angles whose sum of the measures of angles is 180 degrees.

Observe the figure clearly.

1. $\angle AGF , \angle AGC$ are supplementary angles.

2. $\angle FGD, \angle DGC$ are supplementary angles.

3. $\angle FGE, \angle EGD, \angle DGC$ are supplementary angles.

4. $\angle AGE, \angle AGB$ are supplementary angles.

5. $\angle BGC, \angle CGD, \angle DGE$ are supplementary angles.

6. $\angle CGE, \angle EGF$ are supplementary angles.

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What is 13 = t/9 - 1 I NEED HELPP!!!!!!!!!!!!!!!!!!!

Gekata [30.6K]

T = 126.

13 = t/9 - 1 multiply both sides by 9
117 = t - 9 move terms
-t = -9 - 117
-t = -126 change the signs
t = 126

3 0

3 years ago

A dog jumps straight up in the air to catch a ball and lands on the ground 1.3 s later. Let h(t) represent the dog’s height, in

slamgirl [31]

The given question have mistake. The correct question is written below.

Question:

A dog jumps straight up in the air to catch a ball and lands on the ground 6.37 s later. Let h(t) represent the dog’s height, in meters, t seconds after he leaves the ground. Which equation models the dog’s height for a given time t?

Answer:

Option B:

$h(t)=-4.9 t^{2}+6.37t$

Solution:

<u>General formula for the height of the projectile over time:</u>

(1) $h(t)=-16 t^{2}+v t+s$

Where h = height in feet, t = time, v = initial velocity and s = initial height (feet)

(2) $h(t)=-4.9 t^{2}+v t+s$

Where h = height in meters, t = time, v = initial velocity and s = initial height(meter)

Given initial velocity = 6.37 s and initial height is 0.

The height of the dog is in meters.

So, use second formula and substitute v = 6.37 and s = 0.

$h(t)=-4.9 t^{2}+v t+s$

$h(t)=-4.9 t^{2}+6.37t+0$

$h(t)=-4.9 t^{2}+6.37t$

Hence option B is the correct answer.

6 0

3 years ago

A rectangular box with an open top has a length of x feet, a width of y feet, and a height of z feet. It costs $4.30 per square

almond37 [142]

Answer:

C=$(4.30xy+5.40(xz+yz))

Step-by-step explanation:

Surface Area of a Cuboid=2(LW+LH+HW)

Since the top is open

Surface Area = LW+2(LH+HW)

If Length = x feet,

Width =y feet

Height = z feet

Surface Area = xy+2(xz+yz)

Area of the base=xy

If it costs $4.30 per square foot to build the base

Cost of the base=Cost Per Square Foot X Area = $4.30xy

Area of the sides =2(xz+yz)

If it costs $2.70 per square foot to build the sides

Cost of the sides=Cost Per Square Foot X Area of the sides

= 2.70 X 2(xz+yz)

=5.40(xz+yz)

Cost of Constructing the Box = Cost of Constructing the Base + Cost of Constructing the Sides.

Therefore,

C=$(4.30xy+5.40(xz+yz))

7 0

3 years ago

What is the answer to the question?

Free_Kalibri [48]

Answer:

x = 10

Step-by-step explanation:

Since the two triangles are congruent, ∠B ≅ ∠E

50 = 5x

x = 10

4 0

3 years ago

Read 2 more answers

Which decimal is equivalent to 7.5%?

Blizzard [7]

Answer:

0.075

Step-by-step explanation:

To convert 7.5% to a decimal you would simply divide 7.5 by 100.

1) Divide 7.5 by 100.

$7.5/100=0.075$

5 0

3 years ago