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Svetllana [295]
3 years ago
12

2 times 2 and three forths

Mathematics
1 answer:
Mrrafil [7]3 years ago
6 0
2 *       2 and 3/4.

2 and 3/4 =   (4*2 + 3) / 4 = (8 + 3) / 4 =   11 / 4

2 * 11/4 =   22 / 4 =   5 and 2/4

= 5 and 2/4  or   5 and 1/2 or   5.5

Hope this helps.
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Yoo someone help asaapp!​
Zigmanuir [339]

Answer:

A  76

Step-by-step explanation:

7x+8+7x-2+5x+16+110=360

19x+132=360

19x=228

x=12

∠E=5(12)+16

    =76

4 0
3 years ago
Read 2 more answers
Please help and show work
mylen [45]
7.B
\sqrt{\pi } = 1.772
\pi = 3.142
2 \times \pi = 6.283
{\pi}^{2} = 9.869

9.A
3/2=1.5

8. F
2times pi =6.283
square root of 50= 7.071
pi squared/2= 3.289

10.H
1/7= .143
which means it can't be f or g.

8 0
4 years ago
An object is dropped from a small plane. As the object falls, its distance, d, above the ground after t seconds, is given by the
DedPeter [7]

<em><u>The inequality can be used to find the interval of time taken by the object to reach the height  greater than 300 feet above the ground is:</u></em>

d = -16t^2 + 1000

<em><u>Solution:</u></em>

<em><u>The object falls, its distance, d, above the ground after t seconds, is given by the  formula:</u></em>

d = -16t^2 + 1000

To find the time interval in which the object is at a height greater than 300 ft

Frame a inequality,

-16t^2 + 1000 > 300

Solve the inequality

Subtract 1000 from both sides

-16t^2 + 1000 - 1000 > 300 - 1000\\\\-16t^2 > -700

16t^2 < 700\\\\Divide\ both\ sides\ by\ 16\\\\t^2 < \frac{700}{16}\\\\Take\ square\ root\ on\ both\ sides\\\\t < \sqrt{\frac{700}{16}}\\\\t < \pm 6.61

Time cannot be negative

Therefore,

t < 6.61

And the inequality used  is: -16t^2 + 1000>300

6 0
3 years ago
Which number is less than 2.167 × 10?
Xelga [282]
Answer: A
Step-by-step explanation
2.167x10^4 = 21,670
= 9,978
1.1x10^6
1100,000
= 56,344,000
2.468×10^5 = 246,800
4 0
1 year ago
Read 2 more answers
An engineer on the ground is looking at the top of a building. The angle of elevation to the top of a building is 38°. The engin
fomenos
Let the distance of the engineer from the base of the building be x, then
tan 38 = 300/x
x = 300/tan 38 = 300/0.7813 = 383.98

Therefore, the distance from the engineer to the base of the building to the nearest whole foot is 384 feet.
8 0
3 years ago
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