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3 years ago

12

Translate this phrase into an algebraic expression. 78 less than Amaris test score. Use C to represent Amari's test score PLEAS

E HURRY!!

1 answer:

Elodia [21]3 years ago

8 0

Answer:

it's 78<C. < means less than

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I have 18ones,15hundreds,15tens,and 8 thousands

Oksanka [162]

9668

Explanation:

18 ones, 18x1=18

15 hundreds, 15x100 =1500

15 tens, 15x10=150

8 thousands,8x1000=8000

8x1000=800018+1500+150+8000=9668

<em>Hope</em><em> this</em><em> answer</em><em> correct</em><em> </em><em>:</em><em>)</em>

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3 years ago

Write the explicit formula that represents the geometric sequence -2, 8, -32, 128

Jet001 [13]

The Geometric Sequence Formula:

$a_n=a_1r^{n-1}$

We have:

$a_1=-2,\ a_2=8,\ a_3=-32,\ a_4=128,\ ...$

$d=\dfrac{a_{n+1}}{a_n}\to d=\dfrac{8}{-2}=-4$

Substitute:

$a_n=-22\cdot(-4)^{n-1}=-22\cdot(-4)^n\cdot(-4)^{-1}=-22\cdot(-4)^n\cdot\left(-\dfrac{1}{4}\right)=5.5(-4)^n$

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3 years ago

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Find the slope of the line whose equation is 15 + 3x = 2y.

Korvikt [17]

15+3x=2y
2y=3x+15
y= $\frac{3}{2} x+ \frac{15}{2}$
Gradient, m= $\frac{3}{2}$

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3 years ago

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Ivanshal [37]

Answer:

scale

protractor

compass

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3 years ago

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A binomial probability experiment is conducted with given parameters. Compute the probability of x successes in the n independen

Andrews [41]

Answer:

0.044

Step-by-step explanation:

n=9,p=0.9, x =6.

Apply Binomial probability we get

Sum P(x)=C(n,x) $p^{x} (1-p)^{n-x}$ for x=6

Putting in the formula ,

we get

P(x) = C(9,6) $0.9^{6} 0.1^{3}$

84 X 0.531441 X 0.001

= 0.044

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4 years ago