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CaHeK987 [17]
4 years ago
8

Write a subtraction fact with the same difference as 16-7

Mathematics
2 answers:
zavuch27 [327]4 years ago
7 0
Ok so 16 - 7 = 9

20 - 11 = 9

elena-s [515]4 years ago
5 0
17-8 because they both have just 1 added to them
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If the sizes of the angle of a triangle are 3x, 5x , and 4x , find the smallest anhge of the traingle
ludmilkaskok [199]

Answer:

45

Step-by-step explanation:

The three angles of a triangle add to 180 degrees

3x+5x+4x = 180

Combine like terms

12x = 180

Divide by 12

12x/12 =180/12

x = 15

The smallest angle is 3x

3(15) = 45

6 0
3 years ago
A 7676 foot guy wire is attached to the top of an antenna. The angle between the guy wire and the ground is 68o68o. How tall (in
Fantom [35]

Answer:

70.47feet

Step-by-step explanation:

CHECK THE ATTACHMENT FOR THE INTERPRETATION OF THE QUESTION USING A FIQURE

From the attachment we can see that a triangle was formed, where the

OPPOSITE SIDE= X

HYPOTENUSE=76feet

From trigonometry,

Sin(θ)=opposite/Hypotenuse

Sin(68)= X/76

Cross multiply, we have,

X= Sin(68) × 76

X= 0.9272 × 76

X= 70.47feet

Therefore, the antenna is 70.47feet tall.

8 0
3 years ago
6x – 2y = -8 and -3x + 4y = -11
frozen [14]

Answer:

Step-by-step explanation:

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{y = 3 x + 4, y = (3 x)/4 - 11/4}

{2 (3 x - y) = -8, 4 y - 3 x = -11}

5 0
3 years ago
Let’s figure out one more adjustment for the butterscotch chip cookies. The butterscotch chip cookie recipe calls for 12 ounces
Anni [7]

I believe it would 18 ounces of chips for 3 cups of flour. If you take half of 12 ounces then you get 6 ounces per cup of flour. Adding 6 ounces to the 12 would get us the total of the 18 ounces.

8 0
3 years ago
The scatter plot shows the test scores of a group of students who surfed the Internet for different amounts of time in a day.
kirza4 [7]
<span>Test scores will increase because the graph shows a negative association.</span>
5 0
3 years ago
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