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Brums [2.3K]
3 years ago
6

Evaluate h(x) = -2x + 9 when x = -2,0, and 5.

Mathematics
1 answer:
Basile [38]3 years ago
5 0

Answer:

h(-2)=13

h(0)=9

h(5)=19

Step-by-step explanation:

h(x)=-2x+9

at x=-2

h(-2)=-2 (-2)+9\\h(-2)=4+9\\h(-2)=13

At x=0

h(0)=-2 (0)+9\\h(0)=9

At x=5

h(5)=-2 (5)+9\\h(5)=10+9\\h(5)=19

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Please answer this correctly
Ilia_Sergeevich [38]

Answer:

9/49

Step-by-step explanation:

The probability of landing on an even number is 3/7.

Because there are only 3 numbers even out of 7 total numbers.

3/7 \times 3/7

= 9/49

5 0
3 years ago
Elizabeth wrote 3.3 - 0.21= 1.2 Is her answer​ reasonable? Explain why or why not. Choose the correct answer below and fill in t
scoray [572]

Answer:

<h3>The estimate would be 3-0= nothing​, so her answer is not reasonable.</h3>

Step-by-step explanation:

Given the expression written by Elizabeth as  3.3 - 0.21= 1.2, to check if Elizabeth expression is reasonable or not, we need to check if her answer is close to or equal to the answer of the diiferebce between 3.3 - 0.21.

Converting 3.3 and 0.21 to fraction

3.3 = 33/10

0.21 = 21/100

Taking the difference of both fractions

= \dfrac{33}{10} -\dfrac{21}{100} \\\\= \dfrac{330-21}{100} \\\\= \dfrac{309}{100} \\\\= 3.09\\

Hence 3.3 - 0.21 = 3.09 ≈ 3.0 (to nearest whole number). Comparing Elizabeth answer which is 1.2 to the answer f=gotten, it can be seen that her answer is far from the right answer with a difference of about 1.8 (3.0-1.2). <u>This large difference makes Elizabeth answer unreasonable.</u>

7 0
3 years ago
Please someone help me i need this done asap!
Sedbober [7]

Answer:

4.41 x 10^3 hope this helps

5 0
2 years ago
Read 2 more answers
a 17 foot piece of string is cut into two pieces so that the longer piece is 5 feet longer than twice the shorter piece. If the
choli [55]
Long piece = 5+ 2•short piece
Long piece +short piece=17

Let short piece be x and long piece y

Rewrite the relations given
y= 5+2• x
y+x=17 so y=17- x

5+2•x=17-x
2x+x=17-5
3x=12
X=12/3=4 (short piece) feet
y=17-4=13 (long piece) feet




6 0
3 years ago
NEED ANSWERS ASAP
ICE Princess25 [194]

Ex) There are six outcomes for rolling a die: 1, 2, 3, 4, 5, and 6. ... Formula for Theoretical Probability. P (event) = outcomes possible of number ... Write the probability as a fraction. Ex) P(3). Ex) P(3 or 4). Ex) P(even). Ex) P(4) ... Ex) Mr. Hayes tossed a coin 12 times to determine whether or not it would land on hands or tails.

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5 0
3 years ago
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