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Arlecino [84]
2 years ago
10

Which expression is equivalent to 4 * 4 * 4 * 5 * 5?

Mathematics
2 answers:
svet-max [94.6K]2 years ago
8 0

Answer:

None of them.

Step-by-step explanation:

4 * 4 * 4 * 5 * 5 = 64 * 25

= 50 * 32

= 1600

None of the choices = 1600.

jekas [21]2 years ago
3 0

Answer:

the closests if 43 multiply by 25

Step-by-step explanation:

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Will give Brainliest if correct!
iren [92.7K]

Answer:

Add 2 to each next number

2 plus 2 is 4

4 plus 2 is 6

6 plus 2 is 8

4 0
3 years ago
Read 2 more answers
Solving systems of equations by substitution
Solnce55 [7]
Substitution is a method of finding x or y value by taking,
——-

1st full equation in name of x and substituting to get the value.

Hope helped
7 0
2 years ago
Please i need an urgent help doing this question help
Alecsey [184]
Sin (30°) = \frac{AB}{96}
AB = sin (30°) x 96 = 48cm
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3 years ago
How to do this ?<br> Don’t understand it
riadik2000 [5.3K]
X=y+3
<span>-5x-4y=<span>30
-------------------
Substitute y + 3 for x in </span></span>-5x-4y=30
<span><span>-5<span>(y+3)-</span></span>4y</span>=<span>30
</span>-9y-15=<span>30
</span>----------------------------
Add 15 to each side
<span><span>-9y-15</span>+15</span>=<span>30+<span>15
-9y = 45
</span></span>-----------------------------------
Divide each side by -9
-9y ÷ -9 = 45 ÷ -9
y = -5
Now we solve for x
====================================================================
Substitute -5 for y in x = y + 3
x=-<span><span>5</span>+<span>3
</span></span>x = -2
----------------------
(-2,-5) is your answer


7 0
3 years ago
A toy maker claims his best product has an average lifespan of exactly 14 years. A skeptical quality control specialist asks for
slamgirl [31]

Answer:

interval = [17.3948 , 20.6052]

Step-by-step explanation:

given,

random sample (n) = 45

average product lifespan = 19 years

standard deviation = 4 years

confidence interval of 99 %  = ?

we know,

t* = qt(1.99/2 + 44 ) = qt(0.995,44)

t* = 2.692

so,

interval

x = 19 \pm t* \times (\dfrac{s}{\sqrt{n}})

x = 19 \pm 2.692 \times (\dfrac{4}{\sqrt{45}})

x = 19 \pm 2.692 \times 0.5963

x = 19 \pm 1.6052

interval = [19 - 1.6052 , 19 + 1.6052]

interval = [17.3948 , 20.6052]

4 0
3 years ago
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