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quester [9]
3 years ago
8

Evaluate the expression xyz + 7, if x = -3, y = 4, z = 7

Mathematics
2 answers:
Charra [1.4K]3 years ago
6 0

Answer:

57

Step-by-step explanation:

edg 2021

ale4655 [162]3 years ago
4 0

Answer:

-77

Step-by-step explanation:

-3 x 4 x 7 = -84

-84 + 7 = -77

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Let f(x) = - 10x + 9 and g(x) = x2 + 12 <br>Find f( - 4)/g( - 4)​
Reptile [31]

Answer:

\frac{49}{28}

Step-by-step explanation:

Evaluate g(- 4) and f(- 4) by substituting x = - 4 into g(x) and f(x), that is

f(- 4) = - 10(- 4) + 9 = 40 + 9 = 49

g(- 4) = (- 4)² + 12 = 16 + 12 = 28

Then

\frac{f(-4)}{g(-4)} = \frac{49}{28} = \frac{7}{4}

7 0
3 years ago
Anyone know the answer?
frosja888 [35]

Answer:

3/4

Step-by-step explanation:

3*3=9

3*4=12

4 0
2 years ago
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What is 0.25 ÷ 5.46 (show ur work)
kenny6666 [7]

Answer:

0.04578

Step-by-step explanation:

Hope this helps somewhat.

4 0
2 years ago
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A patrolman spends 25% every day completing paperwork. The patrolman’s shift each day is 8 hours. How much of his time does he s
Mrrafil [7]

8 \times 25\% \\  = 8 \times  \dfrac{25}{100}  \\  = 2

Answer : He spends 2 hours doing paperwork each day.

Hope this helps. - M
4 0
3 years ago
Mya's dog weighs 42.8 pounds. Lydia's dog weighs 2.9
expeople1 [14]

Answer:

124.12 pounds

Step-by-step explanation:

42.8 x 2.9

= 124.12

= 124.12 pounds

7 0
3 years ago
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