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3 years ago

9

3b×+7c 2×2+4 3×3_6×+5 7y +8s_3

1 answer:

PilotLPTM [1.2K]3 years ago

8 0

Answer:

6

Step-by-step explanation:

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Can someone help me on this

barxatty [35]

A) as the exponent decreases by one, the number is divided by 5

B) as the exponent decreases by one, the number is divided by 4

C) as the exponent decreases by one, the number is divided by 3

D) 4⁰ = 4 ÷ 4 = 1

4⁻¹ = 1 ÷ 4 = $\frac{1}{4}$

4⁻² = $\frac{1}{4}$ ÷ 4 = $\frac{1}{16}$

E) 3⁰ = 3 ÷ 3 = 1

3⁻¹ = 1 ÷ 3 = $\frac{1}{3}$

3⁻² = $\frac{1}{3}$ ÷ 3 = $\frac{1}{9}$

5 0

3 years ago

Emma buys and sells truck parts she bought two tires for $35 each and later sold them for $65 each she bought three rooms for $7

Ilia_Sergeevich [38]

Answer:

613

Step-by-step explanation:

65×2= 130

136×3=408

15×5=75

4 0

3 years ago

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Help me with this pls

Rufina [12.5K]

Answer:

b^-6

Step-by-step explanation:

(b^-2) / (b^4) = b^(-2 - 4)

3 0

3 years ago

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Find the circumference and area of a circle with a diameter of 22 inches.

Katyanochek1 [597]

Answer:

$Circumference=22\pi\;inches \\\\Area =121\pi \;inches^2$

Step-by-step explanation:

Diameter of the circle= $22\;inches$

$Radius=\dfrac{22}{2} =11\;inches$

Circumference of a circle:

$=2\times \pi \times r$

$=2\times \pi \times 11\\\\=22\pi \;inches$

Area of the circle:

$=\pi \times r^2$

$=\pi \times 11\times 11\\\\=121\times \pi \\\\=121\pi \;inches^2$

8 0

3 years ago

A(x, 1), B(5,3) and C(4,-3) are the vertices of triangle ABC. If AB=AC, find the value of x

Molodets [167]

$\\ \rm\longmapsto AB=AC$

$\\ \rm\longmapsto \sqrt{(x-5)^2+(1-5)^2}=\sqrt{(x-4)^2+(1+3)^2}$

$\\ \rm\longmapsto (x-5)^2+(-2)^2=(x-4)^2+4^2$

$\\ \rm\longmapsto (x-5)^2+4=(x-4)^2+16$

$\\ \rm\longmapsto (x-5)^2-(x-4)^2=16-4=12$

$\\ \rm\longmapsto x^2-10x+25-x^2+8x-16=12$

$\\ \rm\longmapsto -2x+9=12$

$\\ \rm\longmapsto -2x=12-9=3$

$\\ \rm\longmapsto x=\dfrac{3}{-2}=-1.5$

5 0

3 years ago

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