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eduard
2 years ago
10

Evaluate the expression: (–2)2 + (–42) + (18 – 23).

Mathematics
2 answers:
Alex17521 [72]2 years ago
8 0

Hey there!

(-2)2 + (-42) + (18 - 23).

= -2(2) - 42 + 18 - 23

= -4 - 42 + 18 - 23

= -46 + 18 - 23

= -46 + (-5)

= -46 - 5

= -51

Therefore, your answer is: -51

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

AURORKA [14]2 years ago
3 0

Step-by-step explanation:

Hope it will help you...

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frosja888 [35]

Answer:

The answer is

Step-by-step explanation:

f(x) & g(x) = f(x) + k

3•6 & 7•6 = 3•6 + k

18 + 42 = 18k

60 = 18k

4 0
2 years ago
In the figure, identify the types of angles in the table below .
Anna007 [38]

Answer:

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4 0
3 years ago
This data set represents the widths in yards of pieces of fabric used by a sewing group. What is the mean of this data set? {113
lukranit [14]

Answer:

Mean = 55.2

Step-by-step explanation:

Given data set:   113, 14, 23, 12, 114

To find the <u>mean</u> of a data set, <u>divide</u> the <u>sum</u> of all data values by the total <u>number</u> of data values:

\large \begin{aligned}\sf Mean & = \sf\dfrac{sum\:of\:all\:data\:values}{total\:number\:of\:data\:values} \\\\\implies \sf Mean & = \sf \dfrac{113 + 14 + 23 + 12 + 114}{5}\\\\& = \sf \dfrac{276}{5}\\\\& = \sf 55.2\end{aligned}

5 0
2 years ago
Read 2 more answers
During a catered lunch, an average of 4 cups of tea are poured per minute. The lunch will last 2 hours. How many gallons of tea
Liono4ka [1.6K]

Answer:

30 gallons

Step-by-step explanation:

step 1 right it out

2 hour is 120 mins and 4 cups are poured per min

step 2 Equation time

so your equation should be

4/1=x/120

step 3 solve it out

1 times 120 is 120 is 4 times 120 is 480

but that is not the answer 480 is the amount of CUPS that are used for 2 hrs

so all u have to do is now convert

step 4 convert

16 cups are in 1 gal. so divide 480 by 16 and get 30 gal

x=30 gallons

hoped it helped

make me brainlist


6 0
3 years ago
Bill went on a very long run, so he ran kind of slowly. He ran 2 miles in 30 minutes. How many miles would he run in three hours
FromTheMoon [43]

Answer:

12 miles

Step-by-step explanation:

There are 3 hours = 180 minutes

180÷30=6

6×2=12

Hope that helps!

7 0
3 years ago
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