3 years ago

A 15 foot piece of string is cut into two pieces so that the longer piece is 3 feet longer than twice the shorter piece

Mathematics

1 answer:

zhannawk [14.2K]3 years ago

6 0

One piece is 6 feet and the other longer piece is 9 feet. hope that's what you needed

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A) 17<br> B) 15<br> C) 12<br> D) 11<br> E) 9

Elanso [62]

Answer:

x = 17

Step-by-step explanation:

looks kind of isosceles to me
29 x 2 = 58
180 - 58 = 122
122 + 14 = 136
136 / 8 = 17
x = 17

7 0

2 years ago

Solve for x. 2 1/2x−3/4(2x+5)=3/8

RUDIKE [14]

$2 \frac{1}{2}x- \frac{3}{4}(2x+5)= \frac{3}{8}$
$2 \frac{1}{2}x- \frac{6}{4}x- \frac{15}{4}= \frac{3}{8}$
$( 2\frac{1}{2}- \frac{6}{4})x= \frac{3}{8}+ \frac{15}{4}$
$( \frac{5}{2}- \frac{6}{4})x= \frac{3}{8}+ \frac{15}{4}$
$( \frac{10}{4}- \frac{6}{4})x= \frac{3}{8}+ \frac{30}{8}$
$\frac{4}{4}x= \frac{33}{8}$
$x= \frac{33}{8}=4 \frac{1}{8}$

Correct answer: C

6 0

4 years ago

Can someone help me please because I have a lot of trouble doing these problems. Please show work so I can see how you did it.

Juliette [100K]

$14+(-9)-(-9)=14-9+9=14$