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Dennis_Churaev [7]
2 years ago
13

EASY! PLEASE HELP, I AM STUCK

Mathematics
1 answer:
Marina86 [1]2 years ago
4 0

Answer:

A. 16 seconds.

Step-by-step explanation:

Well, it would take him 4 seconds to get 4/16 of the way, or 1/4. So just multply that by 4 and boom, 16 seconds. (yes ik my technique is weird)

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X + 3= -x -5<br><br>what's x?​
Karo-lina-s [1.5K]

Answer:

-4

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find the least common denominator for these two rational expressions 7/n^2 -8/7n
lianna [129]

Answer:

7n²

Step-by-step explanation:

7/n² - 8/7n

Least common multiple will be the least common denominator

L.C.M = 7n²

Dividing the L.C.M by denominators and multiplying with numerators;

((7×7) - (n×8))/7n²

= (49 - 8n)/7n²

7n² is the least common denominator

8 0
3 years ago
A 10-foot ladder leans against a wall with its foot braced 3 feet from wall's base. How far up the wall does the ladder reach?
dlinn [17]
Pythagorean theorem
for a right triangle with legs legnth a and b and hytponuse c
a^2+b^2=c^2

the legnht of th eladder is the hypotnuse
the 3 feet is bottom leg
height is other leg

10=c
3=a
b=?
3^2+b^2=10^2
9+b^2=100
minus 9 both sides
b^2=91
sqrt both sides
b=√91
aprox
b=9.53939


answer is √91 feet or aprox 9.53939
8 0
3 years ago
LCM of 14 and 49? Evaluate plz​
ICE Princess25 [194]

Answer:

98

Step-by-step explanation:

Express the numbers in terms of the product of  their prime factors

14 = 2 × 7

49 = 7 × 7 = 7²

Choose the factors which occur most often between the 2 numbers

LCM = 2 × 7² = 2 × 49 = 98

5 0
3 years ago
Solve for J: 15(j-3)+3j&lt;45
nata0808 [166]
15(j - 3) + 3j < 45
15j - 45 + 3j < 45
18j < 45 + 45
18j < 90
j < 90/18
j < 5
3 0
3 years ago
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