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antiseptic1488 [7]
3 years ago
10

What is the value of x?

Mathematics
1 answer:
AfilCa [17]3 years ago
7 0

Answer:

29

Step-by-step explanation:

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Evaluate the expression: (–2)2 + (–42) + (18 – 23).
marta [7]

Answer:

-51 (no options are matching)

Step-by-step explanation:

Given: (–2)2 + (–42) + (18 – 23).

we know, 2*2 = 4, and in integer multiplication if any negative integer is multiplied with positive integer, then the result will have a negative sign.

= -4 + (-42) + (18 – 23)

Here, we have open the brackets, and written the respective signs with the integers,

= - 4 - 42 - 5

now, we will perform the integer addition. Adding all the positives together & he negative numbers together

= -51

PS: It happens to be that none of the given options match with the correct answer. But, i have solved taking the expression, i hope it helps

6 0
3 years ago
Read 2 more answers
Find the circumference and area of a circle with a diameter of 14 inches. Leave your answers in terms of pi. C = 14π; A = 49π. C
Olenka [21]
Given:
diameter = 14 inches
radius = 14 inches / 2 = 7 inches

Circumference of a circle = 2 π r = 2 * π * 7inches = 14 inches * π

Area of a circle = π r² = π * (7in)² = π * 49in² 

C = 14π    and   A = 49π
5 0
3 years ago
Read 2 more answers
(6- -6 + 5.3) / -2.25
STALIN [3.7K]

Answer:

346 / 45

Step-by-step explanation:

6 + 6 + 5.3

       9

      ----

        4

4 0
3 years ago
The farmer needs to plant at least 3 acres of rye, but no more than 15 acres of rye. the farmer needs to plant at least 1 acre o
rusak2 [61]
<span>let 
x = acres of when 
y = acres of rye 

Maximize 
z = 500x + 300y 

subject to 
x >= 3 
x <= 15 
y >= 1 
y <= 7 
x + y <= 20 

bounded 

both 

(3, 1) 
(15, 1) 
(15, 5) 
(13, 7) 
(7, 3) 

sub points into your max equation 
(3, 1) = 1500 + 300 = 1800 
(15, 1) = 7500 + 300 = 7800 
(15, 5) = 7500 + 1500 = 9000 
(13, 7) = 6500 + 2100 = 8600 
(7, 3) = 3500 + 900 = 4400 

max profit of $9,000 is achieved when 15 acres of wheat and 5 acres of rye are planted and sold</span>
6 0
3 years ago
A star track runner ran 315 feet in nine seconds. What was his average speed in feet per second?
Burka [1]
315 / 9 = 35
35 feet per second
3 0
3 years ago
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