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3 years ago

I NEED ASAP !!!!! WILL MARK BRAINLIEST

Mathematics

2 answers:

Igoryamba3 years ago

8 0

Answer:

Sphere

Step-by-step explanation:

Since its rotating, it would make logical sense that the circle would make a sphere.

ANTONII [103]3 years ago

6 0

the answer is A sphere I think it is

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What is log squared with a base of 4 with the exponent (x^2+x) and the whole thing is equal to 0.25. Find the domain of x and fi

alexandr1967 [171]

Answer:

X = 1 , -2

Step-by-step explanation:

Given in question as,

(log4(x² + x))² = 0.25

log4(x² + x) = 0.5

Applying log base property if log(a)X = b, then X =a^b

Or, x² + x = 4^0.5

x² + x = 2

x² + x - 2 = 0

x²+2x-x-2 = 0

(x + 2) (x - 1) = 0

So, x = 1 and -2 Answer

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3 years ago

Factor completely. 16-49x^2=16−49x 2 = (Can someone help me plz)

MrRa [10]

X=0,1
Pls mark brainliest

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4 years ago

While on vacation Craig bought a pair of sunglasses for $15.98 for $7.99 5 postcards and a beach towel the beach towel cost 0.50

NISA [10]

Answer:

$0.79.

Step-by-step explanation:

Let T= The price of beach towel,

P = The cost of each postcard.

S = The cost of sunglasses.

H = The cost of hat.

We have been given that while on vacation Craig bought a pair of sunglasses for $15.98. The beach towel cost 0.50 cents more than half the price of sunglasses.

We can set this information in an equation as:

$T=\frac{15.98}{2}+0.50$

$T=7.99+0.50$

$T=8.49$

We are told that Craig gave the cashier $40 and got 3.59 change and each postcard cost the same. So we can set this information in an equation as:

$T+5P+S+H=40-3.59$

Let us substitute our given values.

$8.49+5P+15.98+7.99=40-3.59$

Let us combine like terms.

$32.46+5P=36.41$

Let us subtract 32.46 from both sides of our equation.

$32.46-32.46+5P=36.41-32.46$

$5P=3.95$

Let us divide both sides of our equation by 5.

$\frac{5P}{5}=\frac{3.95}{5}$

$P=0.79$

Therefore, each postcard costs $0.79.

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3 years ago

Please help D+E= 2 D-E=4

NARA [144]

Answer:

Step-by-step explanation:

That is the only pair that works

3 0

3 years ago

Read 2 more answers

How could you use the Commutative Property of Addition to rewrite the expression −21 + 7? A) −21(7) B) 3(−21) + 7 C) 7 + (−21) D

Ierofanga [76]

Answer:

Step-by-step explanation:

The commutative property of addition reorganizes parts of an equation without changing the answer. C includes the same numbers (-21, +7) without changing the answer (-14)

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3 years ago