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KatRina [158]
3 years ago
9

Expressions can be written using a combination of numbers and letters. Those values can also be described using words. Choose AL

L expressions that are correctly described in words.
which is it

Mathematics
2 answers:
Alexxx [7]3 years ago
8 0

Answer:

A: 3a + 9: the sum of three times a and nine

C:15b − 10: ten less than the product of fifteen and b

Step-by-step explanation:

I just answer this question in US, and I got C right but choose the wrong answer for A.

These are the right answers.

Serga [27]3 years ago
7 0

WQJAbnuhajle hove ukleg disklhdnd obisolsyhdgo fibpiouhod09ziusvcevn Step-by-step explanation:

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What is the arc length of a 7cm diameter semi circle?​
bija089 [108]

Answer:

11 cm

just find the ½ of the circumference of the full circle

3 0
3 years ago
In 2010, the estimated population of Los Angeles was 3.79 × 106 people. The population of California that same year was about 9.
Olegator [25]

Answer:

The approximate population of the state of California in 2010 was 37,293,600\ people

Step-by-step explanation:

Let

x----->the estimated population of Los Angeles in 2010

y----->the estimated population of the state of California in 2010

we know that

y=9.84x ------> equation A

we have

x=3.79*10^{6}\ people

Substitute the value of x in the equation A and solve for y

y=9.84(3.79*10^{6})=37.2936*10^{6}\ people

37.2936*10^{6}=37,293,600\ people

3 0
3 years ago
Read 2 more answers
I need answer step by step someone help me
timurjin [86]

Answer:

see below

Step-by-step explanation:

The second equation tells us x = y - 3 so when we plug in y - 3 for x in the first equation we get 4(y - 3) + 3y = -5 → 4y - 12 + 3y = -5 → 7y = 7 → y = 1. Plugging this value into the second equation we get x = y - 3 = 1 - 3 = -2.

5 0
3 years ago
Read 2 more answers
What is the solution to the absolute value inequality?
Sloan [31]
Answer -  c </= 4 or c >/= -3
2c - 1 </ 7
2c - 1 + 1 </= 7 +1
2c </= 8
2c/2  </=   8/2
c </=  4
2c - 1 >/= - 7
2c - 1 + 1 >/=  -7 + 1
2c  >/=  -6
2c/2  >/=  -6/2
c  >/=  -3
4 0
4 years ago
Can someone please help me with this is area of circles
vivado [14]
<h3><u>Given Information :</u></h3>

  • Radius of the turbine = 32 m
  • π = 3
<h3 /><h3><u>To calculate :</u></h3>

  • Area covered by blade when the turbine makes 1 revolution.

<h3><u>Calculation :</u></h3>

We know that,

\bigstar \: \boxed{\sf {Area_{(Circle)} = \pi r^2}} \\

\sf \longmapsto {Area = \{3 \times (32)^2 \} \: m^2 }

\sf \longmapsto {Area = \{3 \times 1024 \} \: m^2 }

\longmapsto \sf \red  {Area = 3072 \: m^2 }

Therefore,

  • Correct option is <u>option 4th.</u>

8 0
3 years ago
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