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Blizzard [7]
2 years ago
9

Need help with this art please

Mathematics
1 answer:
olga2289 [7]2 years ago
4 0
This question should be answered with a ruler you have to measure them in mill meter and then put the numbers into the correct place for example
240 mm is with the hundreds section
And 57 is in the tens section
And more but don’t use the numbers i gave you they are only for examples
Hope it helps❤️
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a guy wire for a tree is 20 ft long, making a 21 angle with the ground. How far is the base of the tree from a stake anchoring t
evablogger [386]

Answer:

18.7 feet far

Step-by-step explanation:

Based on the information given we can conclude that our set up will be a Right triangle (i.e. one angle is 90°), where the hypotenuse will be denoted by the guy wire of 20ft  and angle of 21° is the angle formed between then hypotenuse and the base (i.e. ground).

Thus we want to find the base length (lets call it x ) of this triangle, so we can use trigonometry as we have one angle and the hypotenuse, as follow:

cos(21)=\frac{adjacent side}{hypotenuse}=\frac{baselength}{guywire}\\\\ cos(21)=\frac{x}{20} \\x=20cos(21)\\x=18.671\\x=18.7ft

So the base is approximately 18.7 feet far from the tree of the anchored wire.

8 0
3 years ago
Get the algebraic expressions in the following cases using variables constants and arthmetic a subtract 1)Subtract 25 from the s
Troyanec [42]

Answer:

1.)    (a + b) - 25

2.)    sqrt(y) - sqrt(x)

Step-by-step explanation:

when they use the word 'from,' you know that it will be the second term, also dont forget your parentheses

5 0
3 years ago
How much saliva does it take to fill up two hundred pools?<br> WILL MARK BRAINLIEAST
Marizza181 [45]

Answer:

Not only that, some of them have even had hair, eyes, and hands! The average mouth produces over 25,000 quarts of saliva, which helps protect your mouth from germs, over a lifetime – enough to fill two swimming pools!

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A cross section of a rectangular pyramid is made perpendicular to the base and through the vertex as shown. What is the area of
Dima020 [189]

Answer:

20 cm²

Step-by-step explanation:

1/2 ( 5 x 8 ) = 1/2 ( 40 ) = 20

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

5 0
2 years ago
How do I solve these?
Illusion [34]

Answer:  x= (95/11. 82/11. -24/11)

e= ( 2 4  5 )

   ( 0 -2 -1/2)

   (0 0 -23/4)

   

           


8 0
3 years ago
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