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sleet_krkn [62]
3 years ago
7

For what values of a are the following expressions true? |a+5|=−5−a plz help

Mathematics
2 answers:
ANEK [815]3 years ago
6 0
The answer is just a=0, you have to cross out the fives
Olin [163]3 years ago
4 0
The answer is 0 "a=0"
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Suppose a die is tossed 5 times. what is the probability of getting exactly 2 fours?
Tasya [4]

Answer:

the probability of getting exactly 2 fours is 0.16

Step-by-step explanation:

The probability of obtaining a number that is four = ¹/₆

The probability of obtaining a non 4 number = 1 - ¹/₆ = ⁵/₆

The number of ways 2 fours can be arrange in five numbers = ⁵C₂ = 10 ways

If the die is tossed five times, the probability of the events is calculated as;

P = 10 x (¹/₆)² x (⁵/₆)³

P = 10 x (¹/₃₆) x  (¹²⁵/₂₁₆)

P = 10 x 0.02778 x 0.5787

P = 0.16

Therefore, the probability of getting exactly 2 fours is 0.16

7 0
2 years ago
Bailey made a pan of cornbread. she cut it into 8 equal pieces and ate 1 piece what fraction of the cornbread did bailey eat
salantis [7]

She ate 1/8 of the cornbread, and this is fully simplified as well.


3 0
3 years ago
Read 2 more answers
Can someone please tell me how to expand and simplify 4(x+1)^2?
siniylev [52]

Expand the binomial first, then distribute the 4:

4 (<em>x</em> + 1)² = 4 (<em>x</em> ² + 2<em>x</em> + 1)

… = 4•<em>x</em> ² + 4•2<em>x</em> + 4•1

… = 4<em>x</em> ² + 8<em>x</em> + 4

4 0
3 years ago
A paperweight is shaped like a triangular pyramid. The base is an equilateral triangle. Find the surface area of the paperweight
stich3 [128]

Answer:

The surface area of the paperweight is SA=8.3\ in^2

Step-by-step explanation:

we know that

The surface area of the triangular prism is equal to the area of its triangular base plus the area of its three triangular lateral faces

so

<em>Find the area of its triangular base</em>

SA=\frac{1}{2}(2)(1.7)

SA=1.7\ in^2

<em>Find the area of its three triangular lateral faces</em>

SA=3[\frac{1}{2}(2)(2.2)]

SA=6.6\ in^2

Adds the areas

SA=1.7+6.6

SA=8.3\ in^2

4 0
3 years ago
A manager records the repair cost for 4 randomly selected TVs. A sample mean of $88.46 and standard deviation of $17.20 are subs
timurjin [86]

Answer:

NO WAY ITS INSANE

Step-by-step explanation:

5 0
3 years ago
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