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ExtremeBDS [4]
3 years ago
14

What is ,- 7 ≤ 2a + 7 ≤ 23

Mathematics
2 answers:
amm18123 years ago
8 0
To solve a compound inequality, separate it into two inequalities-
2a + 7>-7
2a +7<23

Solve the inequality-
a>-7
a<8

Find the intersection-
a ∈[-7,8]
Nezavi [6.7K]3 years ago
7 0

Answer:

−7≤a≤8

Step-by-step explanation:

Here's a quick step by step hope this helps!

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Convert 5.00 inches to centimeters
tensa zangetsu [6.8K]

Answer:

5 inches x 2.54 = 12.7 cm

Step-by-step explanation:

1 inche = 2.54cm

therefore, 5 inches x 2.54cm = 12.7cm

6 0
4 years ago
the lengths of the sides of a triangle are shown. 8.73, 12.4, and 10.075. what is the perimeter of the triangle
ElenaW [278]

Answer:

  31.205

Step-by-step explanation:

The perimeter is the sum of the side lengths:

  8.73 +12.4 +10.075 = 31.205

_____

If you're after an answer that has the appropriate precision (assuming these are measured values), that would be one that is rounded to 1 decimal place: 31.2.

7 0
3 years ago
One morning the temperature is -28 degrees in Anchorage, Alaska, and +65 degrees in Miami, Florida. Which city is warmer in the
Alecsey [184]

Answer:

B. Miami is 93 degrees warmer than Anchorage.

Step-by-step explanation:

Miami-Anchorage is equal to 65-(-28) which is equal to 65+28 which is equal to 93. Thus, Miami is warmer by 93 degrees.

3 0
3 years ago
Using the graph, predict how many people will be needed to eat 300 pounds of meal?​
kkurt [141]

Answer:

100 people

Step-by-step explanation:

if u notice the points are (2,6) and (6,18). 6÷2=3 and 18÷6=3, so if you catch this pattern than you can do 300÷3=100

8 0
3 years ago
A cup of coffee contains 130mg of caffeine. If caffeine is eliminated from the body at a rate of 11% per hour, how long will it
uysha [10]
It will take approx.65 of caffeine remaining after 6 hours
4 0
3 years ago
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