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lesantik [10]
3 years ago
14

Evaluate the expression a+4 when a=7

Mathematics
2 answers:
melamori03 [73]3 years ago
4 0

Answer:

Answer 7+4

Step-by-step explanation:

Add the 7 into a spot

Inga [223]3 years ago
3 0

Answer:

11

Step-by-step explanation:

x=7

7+4=11

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kelby has several pets.she has b, birds,c cats, and f frogs. in this expression b+(c+f) represents the total number of pets kelb
den301095 [7]

Answer:

The number of cats an frogs

Step-by-step explanation:

For some reason the equation has (c+f) grouped off from the rest, since in an equation the first step is to take care of things in the parentheses, first you must add the two together, and based on the description, you know that c is the number of cats and f is the number of frogs.  Therefore adding them together would get the total number of cats and frogs.

8 0
3 years ago
Find KL.<br> K<br> X-1<br> L<br> 12<br> M
Aneli [31]

Answer:

KL = 9

Step-by-step explanation:

(7 + x - 1)(x - 1) = 12²

(x + 6)(x - 1) = 144

x² -x + 6x - 6 = 144

reduce:

x² + 5x -150 = 0

(x + 15)(x - 10) = 0

x = -15, x = 10

KL = 10 - 1 = 9

6 0
3 years ago
A cube has a volume of greater then 125 cm to the third power. What are the possible lengths of the side of that cube?
e-lub [12.9K]
Volume=legnthn times width times height
a cubes legnth=width=height
therefor
volume=legnth^3
volume is greather than 125
125<legnth^3
cube root both sides
5<legnth
th elegnth is anything greather than 5
an example of some numbers are
6,7,30,3240958049238043284023848239048023843,

6 0
3 years ago
X over 8 = -5 . What is X?
valkas [14]

Answer: 40

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find the area of the shape shown below.
sergey [27]

Answer:

Triangle ️ wdym if im doing it wrong

5 0
3 years ago
Read 2 more answers
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