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morpeh [17]
3 years ago
8

Can some one please help me I would really appreciate it!

Mathematics
1 answer:
4vir4ik [10]3 years ago
7 0

Answer:

x = 5.4

Step-by-step explanation:

1.8 (1/2) = 0.9

6 (0.9) = 5.4

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Use the functions h(x) = 2x + 5 and t(x) = 7x − 6 to complete the function operations listed below.
hram777 [196]

A. 9x-1 B. 14x+29 C. 14x-7

6 0
3 years ago
3 gallons of paint are needed for a wall that is 100 square feet (ft2). How many gallons of paint must be purchased at the store
Juli2301 [7.4K]

Answer:

13 gallons of paint.

Step-by-step explanation:

Correct me if I'm wrong, Hope this helps :•]

6 0
3 years ago
Triangle tic is an isosceles triangle with vertex angle i if the measure of < i=70 then find the measure of < t a- 70 b-11
Andreas93 [3]

Answer:

The answer is the option C

55\°

Step-by-step explanation:

we know that

An isosceles triangle has two equal sides and two equal angles

The two equal angles are called the base angles, and the third angle is called the vertex angle

In this problem we have the isosceles triangle TIC

∠I=70\° -----> vertex angle

∠T=∠C -----> base angles

Remember that the sum of the internal angles of a triangle is equal to 180\°

so

∠I+∠T+∠C=180\°

∠I+2∠T=180\°

Substitute

70\°+2∠T=180\°

Solve for angle T

2∠T=180\°-70\°

∠T=110\°/2

∠T=55\°

8 0
3 years ago
Read 2 more answers
The function h(t) = -16t^2 + 16t represents the height (in feet) of a horse (t) seconds after it jumps during a steeplechase.
Vladimir79 [104]
A.) To find the maximum height, we can take the derivative of h(t). This will give us the rate at which the horse jumps (velocity) at time t.

h'(t) = -32t + 16

When the horse reaches its maximum height, its position on h(t) will be at the top of the parabola. The slope at this point will be zero because the line tangent to the peak of a parabola is a horizontal line. By setting h'(t) equal to 0, we can find the critical numbers which will be the maximum and minimum t values.

-32t + 16 = 0

-32t = -16

t = 0.5 seconds

b.) To find out if the horse can clear a fence that is 3.5 feet tall, we can plug 0.5 in for t in h(t) and solve for the maximum height.

h(0.5) = -16(0.5)^2 + 16(-0.5) = 4 feet

If 4 is the maximum height the horse can jump, then yes, it can clear a 3.5 foot tall fence.

c.) We know that the horse is in the air whenever h(t) is greater than 0. 

-16t^2 + 16t = 0

-16t(t-1)=0

t = 0 and 1

So if the horse is on the ground at t = 0 and t = 1, then we know it was in the air for 1 second.
7 0
3 years ago
What coordinate expression represents the coordinates of any point after dilation by a scale factor of 2
neonofarm [45]

Answer: (x,y) → (2x,2y) .

Step-by-step explanation:

  • A dilation is a transformation that changes the size of the image. It either shrink or enlarge a shape by using a scale factor about a center of dilation.

If we transform point (x,y) by using dilation with scale factor k (assume center of dilation at (0,0) then the coordinate of the image will be (kx,ky).

So, the coordinate expression represents the coordinates of any point after dilation by a scale factor of 2:

(x,y) → (2x,2y) .

5 0
3 years ago
Read 2 more answers
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