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ipn [44]
3 years ago
7

HELP What is angle 1,2,3,4

Mathematics
1 answer:
Maksim231197 [3]3 years ago
4 0

Answer:

1. 51 degrees

2. 18 degrees

3. 123 degrees

4. 39 degrees

Step-by-step explanation:

angle 1 + 72 + 57 = 180 degrees

angle 2 + 72=  90 degrees

angle 3 + 57 = 180 degrees

angle 4 + 18 + 123 = 180 degrees

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What is the perimeter of parallelogram HIJK? Round to the nearest hundredth.
bixtya [17]

Answer:

Perimeter of the parallelogram = 26.64 units

Step-by-step explanation:

The perimeter of parallelogram = 2(a + b)

Here a = KJ = 7 units.

b = HK

We need to find the HK using the distance formula.

Distance formula = \sqrt{(x2 - x1)^2 + (y2 - y1)^2}

H = (-4, 3) and k = (-2, -3)

Now plug in x1 = -4, y1 =3, x2 = -2, y2 = -3 in the distance formula

HK = \sqrt{(-2 -(-4))^2 + (-3 - 3)^2}

= \sqrt{(-2 +4)^2 + (-6)^2}

= \sqrt{4 + 36}

= \sqrt{40}

HK = b = 6.32 units

Now plug in a = 7 and b = 6.32 in the perimeter formula, we get

Perimeter = 2(7 + 6.32)

= 2(13.32)

= 26.64 units

Thank you.

6 0
3 years ago
$800 deposited in a savings account which earns 3% simple interest a year will earn $168 in interest in 7 years.
liubo4ka [24]
The answer is True..........................
8 0
3 years ago
Which is one way to check 102 divided by 6 =17
snow_lady [41]
Multiply 6 and 17 and see if it equals 102
6 0
3 years ago
Read 2 more answers
3(3y-4)=33 plz answer
Readme [11.4K]

Answer:

y=5

Step-by-step explanation:

3(3y-4)=33

9y-12=33

9y=45

y=5

4 0
3 years ago
Read 2 more answers
What is the value of b(10) when b(x)=|3-x|+1 ?
vredina [299]
B(x) = |3-x|+1

b(10) means that we need to replace x by 10:
b(10) = |3-10|+1
As you can notice, 3-10 is between the lines of the absolute power. So if the answer is positive, you keep positive. If the answer is negative, you transform it to positive. |a| = a and |-a| = a. So |a|=|-a|.
So |3-10| = |-7| = |7| = 7.

b(10) = |3-10|+1 = 7 + 1 = 8.

So the value of b(10) when b(x)=|3-x|+1 is 8.

Hope this Helps! :)
7 0
3 years ago
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