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scoundrel [369]
2 years ago
6

Ill mark brainlist plss help

Mathematics
2 answers:
san4es73 [151]2 years ago
8 0

Answer:

1. 55mph

Step-by-step explanation:

vitfil [10]2 years ago
5 0

Answer:

55 mi/h

Step-by-step explanation:

275 ÷ 5 = 55

55 mi/h

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What is the surface area of the figure<br><br> 16 cm *2<br> 30 cm *2<br> 48 cm *2
Masteriza [31]

Answer:

<h2>64 cm²</h2><h2 />

Step-by-step explanation:

surface area of a square base pyramid = base area + 4 ( triangular sides area)

where:

base = 4 cm

side height length = 6 cm

Surface area = 4² + 2(4)6

                     = 16+ 48

                     = 64 cm²

7 0
3 years ago
22/7 pi and 6 inches
Evgen [1.6K]

Answer:

264/7 37.71

Step-by-step explanation:

22/7×6(2)

=>22/7×12

=>37.71 or 264/7

6 0
2 years ago
5+x/6=-1 What is x??​
qaws [65]

Answer:

x = -36

Step-by-step explanation:

5 + \frac{x}{6} = -1

\frac{x}{6} = -1 - 5

\frac{x}{6} = -6

x = -6 * 6

x = -36

6 0
3 years ago
Read 2 more answers
How do you do x ^4-4? What is the x values?
VladimirAG [237]
We know that
A difference of two perfect squares (A² - B²)  <span>can be factored into </span><span> (A+B) • (A-B)
</span> then
x ^4-4--------> (x²-2)*(x²+2)
(x²-2)--------> (x-√2)*(x+√2)
x1=+√2
x2=-√2

the other term
(x²+2)=0-> x²=-2-------------- x=(+-)√-2

i <span> is called the </span><span>imaginary unit. </span><span>It satisfies </span><span>  i</span>²<span>  =-1
</span><span>Both </span><span>  i </span><span>  and </span><span>  -i </span><span>  are the square roots of </span><span>  -1 
</span><span>√<span> -2 </span></span> =√<span> -1• 2  </span><span> = </span>√ -1 •√<span>  2  </span> =i • <span> √<span> 2 </span></span>
The equation has no real solutions. It has 2 imaginary, or complex solutions.
x3=  0 + √2<span> <span>i  
</span></span>x4=  0  - √2<span> i </span>

the answer is 

the values of x are
x1=+√2
x2=-√2
x3=  0 + √2 i  
x4=  0  - √2 i

3 0
3 years ago
Help me thanks please thanks
Gnesinka [82]
83838383 centimeters
4 0
3 years ago
Read 2 more answers
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