5.2 + x = 10.95 i already know X is 5.75 but i dont know how to do it can somebody help me?

2 answers:

7 0

You add 5.20 + 5.75 like you're counting money. It will look like this ↓

5.20
5.75
-+-----
Just work your way from right to left.

horsena [70]3 years ago

4 0

U subtract 5.2 from both sides of the equation which would leave u with x=5.75

5.2+x=10.95
-5.2 -5.2
___________
X=5.75

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Can some one please help me will give 94 points for it

NNADVOKAT [17]

You can solve this by using "similar triangles".

In triangle ABC, we are looking for side AC which is x. Side AC is similar to side DF in triangle EDF.

You can solve for side x by picking two sides in triangle ABC and their corresponding sides in triangle EDF. This is what I mean:
$\frac{AC}{BC} = \frac{DF}{EF}$
Substitute for the values of AC, BC, DF and EF:
$\frac{x}{4} = \frac{11}{8} \\ \\ 8x = 4 \times 11 \\ \\ x = \frac{44}{8}$
$x = 5.5 \: units$
To solve for y, do the same thing. Pick two sides on triangle ABC and their corresponding sides in triangle DEF.
$\frac{AB}{BC} = \frac{DE}{EF}$
Substitute for the values and solve:
$\frac{3}{4} = \frac{y}{8}$
$4y = 24 \\ \\ y = 6 \: units$

We have the value x to be 5.5 units and y to be 6 units.

7 0

3 years ago

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Erick’s dog house has an area of 15 feet. What is the perimeter of the house

Inessa [10]

We can assume that Erick’s dog house has a perimeter of 3.75, but then again we don’t know the shape of the doghouse (rectangle, square, etc.). If the doghouse is a square,3.75 on each side (4 sides) because 3.75(4) equals to 15

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2 years ago

What is the solution to -5x-7≤2?

mr_godi [17]

Answer:

Step-by-step explanation:

-5x - 7 ≤ 2

+ 7 ≤ +7

---------------

-5x ≤ 9

---- -----

-5 -5