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fomenos
3 years ago
15

Whoever puts there answer first get brainlest

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
7 0

Answer:

\large Q1:\ x=18\ ft\\\\Q2:\ 6\ inches

Step-by-step explanation:

Q3.

If ΔGHI and ΔJKL are similar, then the sides are in proportion:

\dfrac{JL}{GI}=\dfrac{LK}{IH}

We have

JL = x, GI = 9 ft, LK = 24 ft, IH = 12 ft.

Substitute:

\dfrac{x}{9}=\dfrac{24}{12}

\dfrac{x}{9}=2         <em> multiply both sides by 2</em>

x=18\ ft

Q4.

We must multiply the original length by a scale factor of 3/4:

\dfrac{3}{4}\cdot8\ in=\dfrac{3}{1}\cdot2\ in=(3)(2)\ in=6\ in

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Does 2 1/3-1 3/4 need require renaming
ANEK [815]

Answer:

\frac{7}{12}

Step-by-step explanation:

2 \frac{1}{3}  - 1 \frac{3}{4}

The fractions above are known as mixed numbers (that is, fractions that contain the combination of a whole number and proper fraction). The mixed numbers can equally be renamed as improper fractions. However, renaming can only occur the the mixed numbers are being transformed as below:

\frac{7}{3}  -  \frac{7}{4}

The transformation occur through a simple approach thus: for the first mixed number; 2 1/3 = 2 multiplied by 3 plus 1 divide by 3 equals 7/3. Similarly, mixed number 1 3/4 is transformed by this: 1 multiplied by 4 plus 3 divide by 4 equals 7/4.

Simplifying further to arrive at final result implies,

\frac{7}{3}  -  \frac{7}{4}

Take the LCM of the denominators (4 × 3 =12) and simplify thus:

=   \frac{28 - 21}{12}

=  \frac{7}{12}

6 0
3 years ago
What is special about the factored form of answer N-16x2 - 1?
Ivanshal [37]

Answer:

<em>Both 16 and 1 are squares. This suggests using the formula for the difference of squares. Answer link.</em>

Step-by-step explanation:

Every time you have a difference in the format of

A2−B2 you can factor as (A−B)(A+B).

Then you have to identify if your quantity is the difference of two squared quantities.

It is. In fact we can write it as:

16x2−1=(4x)2−12

Then we can apply our rule

{(4x)}^{2} -    {1}^{2}  = (4x - 1)(4x + 1)

6 0
3 years ago
A power lifter is leg-pressing 720 pounds on a leg press machine. The angle of the press is 60 degrees. What is the actual weigh
Triss [41]

Since, the angle between the machine and angle of press is 60^{\circ} as shown in the attached image.

Therefore, the actual weight lifted by the power lifter is given by w \times \cos \Theta

where 'w' stands for the weight being lifted and \Theta is the angle of press.

Now,

actual weight lifted by the power lifter = 720 \times \cos 60^{\circ}

= 720 \times \frac{1}{2} = 360 pounds.

6 0
3 years ago
Which of these are expressions?
Ugo [173]

Answer:

1x0

2 x 11

1x0

Hope this helps! :) Please rate brainliest

7 0
3 years ago
Amelia makes $8 per hour at her job and then earns an additional $15 for every tablet she sells. She uses the expression 8h + 15
vivado [14]
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3 years ago
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