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makvit [3.9K]
3 years ago
13

6.1 is 90% of what number

Mathematics
1 answer:
n200080 [17]3 years ago
8 0

Step-by-step explanation:

let the unknown number be x

90/100 × x =6.1

× = 6.1 × 100/ 90

x = 610/ 90

x = 6.778

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a highway bride is anchored yo the ground by a right triangle. how long is the embankment labeled x? ground your answer to the n
Nadya [2.5K]

Answer:

Step-by-step explanation:

It should say a "highway bridge." No bride should be anchored to the ground.

x² = 1.5² + 6.8² = 48.49

x = √48.49 ≅ 7 units

8 0
2 years ago
If pamela has 20 of string does she have enough to make bracelets for 4 of her friends?
JulijaS [17]

How much string is needed to make one bracelet?

From the information given, she should have enough to make 4 bracelets for each of her friends if she uses 5 strings per bracelet.

5 0
3 years ago
Triangle KNM is shown. Triangle K N M is shown. Angle M K N is 25 degrees. Angle K N M is 130 degrees. Angle N M K is 25 degrees
mars1129 [50]

Answer:

<h3>Two of the sides of triangle KNM are the equal</h3>

Step-by-step explanation:

From the triangle KNM, we can see that two of the angles M K N and Angle N M K are the same. If two of the angles are equal this means that two of the sides of the triangles are also equal. This type of triangle is known as an ISOSCELES TRIANGLE.

An isosceles triangle is a triangle that has two of its angles and sides to be equal.

6 0
2 years ago
Find the number by which 4732 should be divided to get perfect square.
ElenaW [278]

Answer:

The required number is 7.

Dividing by this gives the perfect square 676.

Step-by-step explanation:

Finding the prime factors:

2) 4732

2) 2366

7) 1183

13)169    

     13

So 4372

= 2^2 * 7 * 13^2

= 4 *169 * 7

= 676 * 7

Now 676 is a perfect square so the answer is 7.

= 1283 * 4.

Answer is 1283.

8 0
3 years ago
How do I simplify (2k ^2 +5k-6) (3k-1)
wolverine [178]
(2k² + 5k - 6)(3k - 1)
(6k³ - 2k² + 15k² - 5k - 18k + 6)
6k² + 13k² - 23k + 6

Use the FOIL method to simplify the problem.
(FOIL stands for first outer, inner, last)
8 0
3 years ago
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