2 years ago

13 ft 8 ft Jjjjjjjjjjjjj

Mathematics

1 answer:

Yuri [45]2 years ago

6 0

Answer: if it is area 108ft2

Step-by-step explanation:

I'm sorry but I dont know what your question is.

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Identify the factors of 6ab − 8a + 21b − 28. (5 points)

cupoosta [38]

Rearrange to

6ab+21b-8a-28 now factor 1st and 2nd pair of terms...

3b(2a+7)-4(2a+7)

(3b-4)(2a+7)

So it is the third one down...

4 0

2 years ago

Read 2 more answers

If the sum of three consecutive numbers is 852, what is the middle one?

denis-greek [22]

Divide the total by the quantity of numbers:

852/3 = 284

Because there are an odd quantity of numbers (3) the answer is the middle number.

The answer is 284

5 0

2 years ago

a company makes these biscuits at a cost of $1.35 per packet. these biscuits are sold for $1.89 per packet. calculate the percen

nydimaria [60]

Answer:

They Make 50 cents profit a pack

Step-by-step explanation:

1.89-1.35

8 0

1 year ago

6. The angle of depression from the top of a tower to a boulder on the ground is 38°. If the tower is 25 m high,

gizmo_the_mogwai [7]

Tan38 = 25/x
.781 = 25/x
31.998 = x

3 0

2 years ago

A ball is thrown directly up in the air from a height of 5 feet with an initial velocity of 60 ft/s. Ignoring air resistance, ho

Mice21 [21]

Answer:

3.8 seconds

Step-by-step explanation:

Given equation

$h= -16t^2 + 60t + 5$

When the ball hits the ground then height is 0

So we replace h with 0 and solve for t

$0= -16t^2 + 60t + 5$

a= -16 , b= 60 and c= 5

Apply quadratic formula to solve for t

$t=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

= $\frac{-60+\sqrt{60^2-4\left(-16\right)\cdot \:5}}{2\left(-16\right)}[/tex[tex]=\frac{-60+-\sqrt{3920}}{-32}$

$=\frac{-60+-28\sqrt{5}}{-32}$

$=\frac{4(-15+-7\sqrt{5})}{-32}$

$=\frac{(-15+-7\sqrt{5})}{-8}$

Now make two fractions and solve for x

t= $-\frac{7\sqrt{5}-15}{8}$ =-0.0815

t= $\frac{7\sqrt{5}+15}{8}$ =3.83

So answer is 3.8 seconds

4 0

2 years ago