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Nikitich [7]
3 years ago
14

If m = 28 and n = 4, what is the value of the following expression?

Mathematics
2 answers:
Serggg [28]3 years ago
8 0

Answer:

d.4

Step-by-step explanation:

28−(5)(4)−4

=28−20−4

=8−4

=4

nadya68 [22]3 years ago
5 0
B.96 I think





28 - 5 • 4 + 4
23 • 4 + 4
92+4
96
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Mr. Smith's wife works at an animal hospital. There is a equivalent fraction relationship between the number of dogs and cats in
dimulka [17.4K]

Answer:

There are 10 dogs in the kennels

Step-by-step explanation:

The equivalent fraction relationship between the number of dogs and cats in the kennels is 1/2.

Which means, if n_d the number of dods and n_c is the number of cats, then,

\frac {n_d}{n_c}=\frac{1}{2}\cdots(i)

Given that there are 20 cats, so n_c=20.

Now, from equation (i) we have,

\frac {n_d}{20}=\frac{1}{2}

\Rightarrow n_d=\frac{1}{2}\times 20

\Rightarrow n_d= 10.

Hence, there are 10 dogs in the kennels.

7 0
3 years ago
Zhang Tao has many guests in his home. He decides to measure the population density in his home. What would be an appropriate un
levacccp [35]
Good question. Let's try this. How about People per meter squared. The average 2 bedroom apartment in the city near where I live is about 94 square meters.  If there were say 100 people at a party in his home, then the number of people per square meter would be 100 / 94 = 1.06 people / square meter.

If however he called those in his home to join him for breakfast and 7 people responded then he would have 7 / 94 = 0.0745 people per m^2 When the number is this small, it might make sense to go the other way. (m^2 per person). 94/7 = 13.4 meters per person. That makes far  more sense. It means that every person has 13.4 meters^2 that he could call his own.
4 0
3 years ago
Read 2 more answers
You can convert a temperature given in degrees Celsius to Fahrenheit temperature by using the expression 9x ÷ 5 + 32, where x is
Minchanka [31]

Water freezes at 32 degree Fahrenheit.

Step-by-step explanation:

Given,

Formula for Celsius to Fahrenheit = \frac{9}{5}x+32

x = Celsius temperature

Boiling point of water = 0°C

We will put x=0

0°C = \frac{9}{5}(0)+32

0°C = 0+32

0°C = 32 degree Fahrenheit

Water freezes at 32 degree Fahrenheit.

Keywords: temperature, addition

Learn more about temperature at:

  • brainly.com/question/10894205
  • brainly.com/question/10987396

#LearnwithBrainly

4 0
3 years ago
Angles are measured in a unit called:
Phantasy [73]

Answer:

Degree

Step-by-step explanation:

3 0
3 years ago
Find the measure of angle C of a triangle ABC if measure of angle a = 24 degrees and measure of angle b = 130 degrees
pickupchik [31]
26 degrees.
For any regular convex polygon with n sides, the sum of all its interior angles will be (n-2)*180.
Using this we know that the sum of all the angles will be 180 degrees.
24+130+x=180
154+x=180
x=26

3 0
3 years ago
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