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Gnom [1K]
3 years ago
6

Please help I need to get this done will brainlist

Mathematics
1 answer:
Advocard [28]3 years ago
8 0
Which problem of the 4?
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What is the length of side AC of the triangle?
ryzh [129]

Answer:

AC = 25 units

Step-by-step explanation:

Given ∠ A = ∠ C then the triangle is isosceles and BC = AB , that is

7x - 1 = 5x + 5 ( subtract 5x from both sides )

2x - 1 = 5 ( add 1 to both sides )

2x = 6 ( divide both sides by 2 )

x = 3

Then

AC = 6x + 7 = 6(3) + 7 = 18 + 7 = 25 units

3 0
3 years ago
Cot(90° − x) = 1 The value of x that satisfies this equation is Blank °.
Reil [10]

Answer:

x=90\degree

Step-by-step explanation:

The given trigonometric equation is

\cos(90\degree -x)=1

We take the inverse cosine of both sides to obtain;

(90\degree -x)=\cos^{-1}(1)

(90\degree -x)=0

Group similar terms t obtain;

-x=0-90\degree

x=90\degree

4 0
3 years ago
Read 2 more answers
What is the product of 5 and 1/2 times 1/8? I Want see if I’m right.
andreev551 [17]
I got 0.3125 (i don’t know if that’s correct, because the question was hard for me to understand)
6 0
3 years ago
The price of a laptop computer decreased from 475 to 275. What is the percent of decrease in price
anyanavicka [17]
First find the difference in prices...

475 - 275 = 200 so the price went down 200 dollars. No we need to find what percentage of 475 is 200.

475 × x = 200
x = 200/475
x = .4211

Now convert to percentage by multiplying by 100 (move decimal 2 places to the right)

.4211 = 42.11%

It is a 42.11% price reduction.
8 0
3 years ago
Can someone please help me work out the area​
irga5000 [103]

Answer:

just use the formula length×width×height

Step-by-step explanation:

1 cube= 1cm

length=4x1cm

width=2x1cm

height=4x1cm

add together

4x4x2=32

8 0
3 years ago
Read 2 more answers
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