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seraphim [82]
3 years ago
14

I need help please!!!!!!

Mathematics
1 answer:
mash [69]3 years ago
5 0

Answer:

12

Step-by-step explanation:

He went wrong when he did 16 + 3 first when he should have done 23 minus 16 which is 9. Then 9 plus 3 equals 12.

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Can someone please help its due soon.ill give brainliest!
Yanka [14]

Answer:

x = 9.6 in

Step-by-step explanation:

The scale factor is 8:10 (difference in length.) This is simplified down to 4:5.

Method 1 (easier):

4/5 × 12 = 9.6 in.

Method 2 (harder but more comprehensive):

\frac{10}{12}  \times  \frac{8}{x}

<em>cross-multiply</em>

<em>10x = 96 \\ x = 9.6</em>

8 0
3 years ago
What is the height of the triangle? 12 units 24 units 36 units 72 units.
konstantin123 [22]

Height of the triangle is the altitude of the triangle and which is drawn perpendicular from the vertex of the triangle to the opposite side. The height of the tringle is 24 units. Hence option 2 is the correct option.

<h3>Given information-</h3>

The triangle for the given problem is shown in the image below.

Form the figure the length of the each side is 16 \sqrt{3} units.

As all the sides are equal thus the \Delta MNO is a equilateral triangle in which the height of the divides the triangle into two equal part of the length 8\sqrt{3} at point <em>R.</em>

<h3>Height of the triangle-</h3>

Height of the triangle is the altitude of the triangle and which is drawn perpendicular from the vertex of the triangle to the opposite side.

Now in the  \Delta MRN, the length of the hypotenuse is 16 \sqrt{3} units and the length of the base is 8\sqrt{3} units. Let <em>h </em>is the height of the triangle thus by the Pythagoras theorem,

(16\sqrt{3})^2 =(8\sqrt{3})^2+h^2

Solve for <em>h,</em>

<em />

<em />\begin{aligned}h^2 &=(16\sqrt{3})^2 -(8\sqrt{3})^2\\h^2 &=16\times16\times3 -8\times8\times3\\h^2 &=576\\h &=\sqrt{576}\\h &=24\\\end<em />

<em />

Thus the height of the tringle is 24 units. Hence option 2 is the correct option.

Learn more about the equilateral triangle here;

brainly.com/question/4268382

5 0
2 years ago
What is 5/6 - 4/7<br> show your work
77julia77 [94]
To get the answer you have to find the least common denominator of 7 and 6. the answer is 42. so you multiply  4/7 by 6/6 to get 24/42 then you multiply 5/6 by 7/7 to get 35/42. the last step is to subtract 24/42 from 35/42 to get your final answer 11/42 
7 0
3 years ago
Simplify the expression. -10+5(0.4x+6)*12x
Furkat [3]
-10 + 2x + 30 x 12x
= 20 + 24x
6 0
3 years ago
Juice is made up by diluting concentrate with water in the ratio 1:5. If 200ml of concentrate is used ,how much juice will be ma
natta225 [31]

Answer: 1,200 ml

Step-by-step explanation:

The ratio is 1 : 5.

If 200 ml of concentrate is used, the water used will be:

1     :    5

200 :   x

x = 1,000 ml of water

The amount of juice would be:

= water + concentrate

= 1,000 + 200

= 1,200 ml

5 0
3 years ago
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