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nalin [4]
3 years ago
14

Help please (will give brainliest)

Mathematics
1 answer:
SpyIntel [72]3 years ago
4 0
Thats 45 degrees! its 45 degrees because if you look at it you just know.
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Area of a triangle is given by the formula A=1/2 bh. The area of the triangle shown to the right is 56 sq. units. Find its base
Westkost [7]
Given

base=2x+6
height=x+4

and
area=56 square units

56=1/2 times (2x+6) times (x+4)
times bot sides by 2
112=(2x+6)(x+4)
expand
112=2x²+14x+24
divide both sides by 2
56=x²+7x+12
minus 56 both sides
0=x²+7x-44
factor
waht 2 numbers mulitply to get -44 and add to get 7
11 and -4
0=(x-4)(x+11)
set to 0

x-4=0
x=4

x+11=0
x=-11
false, measures can't be negative

x=4


height=x+4
height=4+4=8


base=2x+6
base=2(4)+6=8+6=14



x=4 and base=14 and height=8

8 0
3 years ago
Rewrite to the algebraic form The product of x and 4.​
guapka [62]

Answer:

4x

Step-by-step explanation:

When multiplying a number by a variable the number is written first and then the variable. It can be represented like this: 4(x). If you simplify that you get 4x.

3 0
3 years ago
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Which expression is equivalent to -4x4x4x4x4x4x4x4?
Karo-lina-s [1.5K]

Answer:

-4^8

Step-by-step explanation:

4 0
3 years ago
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There are 5,000 books in the​ town's library. Of​ these, 4,700 are fiction. To find the percent of the books that are​ fiction,
adell [148]

Answer:

94%

Step-by-step explanation:

4,700/5,000 x 100%

0.94 x 100% = 94%

8 0
2 years ago
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Two thirds of a blueberry pie is left in
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1/9 of the original pie is each slice
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3 years ago
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