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ddd [48]
3 years ago
5

Please helpp I will mark brainliest!!<3

Mathematics
2 answers:
ratelena [41]3 years ago
6 0

Step-by-step explanation:

x+4=12

In this equation, x is a unknown value,

x plus four is twelve.

So, it also represents four more than x is twelve.

OlgaM077 [116]3 years ago
4 0
It’s, 4+x=12. Hope this helps☺️
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I’ll give brainly
gogolik [260]

Answer:

Possible

Step-by-step explanation:

The rule for triangle side lengths is that the two shortest sides must add up to the longest side so it is possible because

3+7 = 10

Two short sides = The longest side

3 0
3 years ago
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Solve the following linear equation for x.<br> 2 (5x+8) = 16-5(3+6)
qwelly [4]
Answer: x=4.5

not sure if it’s correct if it’s not i’m sorry
8 0
3 years ago
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The image of the point (4,-2) under a rotation 180 degrees about the origin is: A. (−4,−2) B. (−4,2) C. (−2,−4) D. (−2,4)
Arlecino [84]

Answer:

(-4,2)

Step-by-step explanation:

when rotated about 180 degrees, you change both signs

6 0
3 years ago
Find the missing side lengths. Leave your answers in simplest radical form.
saveliy_v [14]
ANSWER:
d. x = 15, y= 15√3

EXPLANATION:
This is a special triangle, more specifically a 30-60-90 degree triangle. For sake of not confusing x and y, we will use z to use as our reference for solving this triangle. The side lengths for each angle are as follows:
• 60 degrees = z√3
- this is the value for your y answer
• 30 degrees = z
- this is the value for your x answer
• Hypotenuse = 2z
- this is what we already have

We solve for what we already have which is the Hypotenuse = 30:
2x = 30
x = 15

We now have our x value which is 15.
Now we just plug in that x value for every expression for every angle.

x = 15
y = 15√3

Sorry if I explained it too thoroughly but I’ll be glad to answer any questions or clarifications



8 0
2 years ago
Solve for A if ñ=3.14 and r=3.
julsineya [31]

Answer:

28.26

Step-by-step explanation:

The question gives the first three digits of π, which is 3.14, and it gives us the radius, which is 3. So, just substitute them into the formula and you’ll get 3.14(3^2). Solve it and the final answer is 28.26.

Hope this helps! :)

6 0
2 years ago
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