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natta225 [31]
3 years ago
14

Please help i will mark brainliest

Mathematics
2 answers:
WINSTONCH [101]3 years ago
5 0

Answer:B

Step-by-step explanation:

3.1x10^9 is putting 9 zero’s behind the 3.1

move the decimal point over 9 spaces which will leave you with 3,100,000,000

= 3.1 Billion

timofeeve [1]3 years ago
5 0
B) 3.1 x 10 exponent 9
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The length of the guy why supporting a cell tower is 120 m the guy wire is anchored to the ground at a distance of 80 m from the
Katarina [22]

Complete Question

The length of the guy wire supporting a cell tower is 120 m. The guy wire is anchored to the ground at a distance of 80 m from the base of the tower to the nearest hundredth of a meter how tall is the tower?

Answer:

89.44m

Step-by-step explanation:

We solve this question using the Pythagoras Theorem

This is given as:

Hypotenuse² = Opposite ² + Adjacent ²

Hypotenuse = Length of the guy wire = 120m

Adjacent = Distance from the base of the tower = 80m

Opposite = Height of the building = x

Hence:

120² = x² + 80²

Collect like terms

x² = 120² - 80²

x = √120² - 80²

x = √(8000)

x = 89.4427191 m

Approximately the height of the tower is = 89.44m

6 0
3 years ago
**25 subtracted from the product of a <br> number and 7 is less than -39.*
riadik2000 [5.3K]

Answer:

7n-25 < -39

Step-by-step explanation:

7 0
3 years ago
State all possible names for this figure
Len [333]

Answer:

A quadrilateral and parallelogram

Step-by-step explanation:

8 0
3 years ago
6. Given that ABCD is a quadrilateral with A(-2,-2), B(1, 1),
irina1246 [14]

Answer:

it is a parallelogram

Step-by-step explanation:

so first plot out points and then you find the slope for each of the corresponding lines.

First lets find the slope for AB. you must subtract them and make it -2-1/-2-1. it ends up having a slope of 1.

Then find the slope of the corresponding side(CD). this we will subtract -2-1/3-6. this will have a slope of 1 and will be parallel to AB.

Next you find the slopes of the other two sides starting with AC. we will subtract -2-(-2)/-2-3. this will be a vertical line which means it has a slope of 0.

finally the last step is you see if BD has an equal slope to AC. you then subtract 1-1/1-6. this is also a vertical line so the slope is 0 just like AC so they are both parallel.

in conclusion there are two sets of parallel lines so you have a parallelogram

7 0
2 years ago
SOMEONE HELP PLEASE!!
musickatia [10]

Answer:

15

Step-by-step explanation:

multiply -75*3=225

sqrt that to get 15!

7 0
3 years ago
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