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dimulka [17.4K]
3 years ago
9

Help I don’t quite understand

Mathematics
1 answer:
nekit [7.7K]3 years ago
3 0
1. x=65
2. x=40

Step-by-Step

1. Since a straight line is 180° we can take 180-50 and divide by 2.

2. Since a square in a corner indicates 90°, just add 90 + 110 + 80 and you will get 280. From there divide 280 divided by 2. You should get your answer.
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Time = 8 years
Sedaia [141]
B)1,131.20 would be the answer. 1010x0.14=141.4x8=B                                                                        
 
7 0
3 years ago
Read 2 more answers
Ashley multiplied 9 x 0.942 and got 84.78. How can you use estimation to show that Ashley's answer is wrong? Use whole numbers t
exis [7]

Answer:

Calculate the percent value:

0.942 =

0.942 × 100/100 =

(0.942 × 100)/100 =

94.2/100 =

94.2%;

In other words:

1) Multiply that number by 100.

2) Add the percent sign % to it.

Answer:

0.942 = 94.2%

Step-by-step explanation:

7 0
3 years ago
HELPPP !! If O N = 8 x − 8 , L M = 7 x + 4 , N M = x − 5 , and O L = 3 y − 6 , find the values of x and y for which LMNO must be
sveticcg [70]

Answer:

x=12 and y=4.3

Step-by-step explanation:

Given the sides of quadrilateral that are  O N = 8 x − 8 , L M = 7 x + 4 , N M = x − 5 , and O L = 3 y − 6. we have to find the value of x and y so that LMNO  be a parallelogram.

we know opposite sides of parallelogram are equal.

Hence, we have to find the value of x and y such that opposite sides becomes equal which implies LMNO is a parallelogram.

Equating opposite sides equal, we get

8x-8=7x+4 ⇒ 8x-7x=8+4=12 ⇒ x=12

implies, NM=x-5=12-5=7

NM=OL ⇒ 3y-6=7 ⇒ 3y=13 ⇒ y=4.3

Hence, x=12 and y=4.3

4 0
3 years ago
A company sells bath oils contained in spherical, water-soluble pods. The circumference of each spherical pod is 37.68 millimete
77julia77 [94]

Hello!

First of all, to find the volume we will want to find the radius. First let's divide our circumference by pi.

37.68/3.14=12

We find half of this for the radius.

12/2=6

Now we use the formula V=\frac{4}{3} \pi r^{3}. We will solve below.

V=\frac{4}{3} \pi (6^{3} )

V=\frac{4}{3} \pi(216)

V\approx \boxed {904.32}

Therefore, our answer is about 904.32 ml³.

I hope this helps!

6 0
3 years ago
What is a1 for the geometric sequence for which a8= -3584 and a3 = 112 ?
jasenka [17]

Answer:

The first term is 28.

Step-by-step explanation:

Given: 8th term of Geometric sequence , a_8=-3584

and 3rd term of Geometric Sequence, a_3=112

We have to find First term of given geometric Sequence.

Let a be the first term of geometric sequence.

We know that,

a_n=ar^{n-1}

So,

\frac{a_8}{a_3}=\frac{ar^{8-1}}{ar^{3-1}}=\frac{-3584}{112}

\frac{r^{7}}{r^{2}}=-32

r^5=-32

r=-2

So, a_3=112

a\times(-2)^{2}=112

a=\frac{112}{4}=28

Therefore, The first term is 28.

7 0
3 years ago
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