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lina2011 [118]
3 years ago
10

What is 0.25(2d+1)... I need help...

Mathematics
1 answer:
IRISSAK [1]3 years ago
6 0
Solution:

1) Distribute
0.25\times 2d+0.25

2) Simplify 0.25\times 2d to (0.5)d
0.5d+0.25

Done!
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What is 5x5 cause I don’t know what it is
grigory [225]

Answer:

25

Step-by-step explanation:

5 + 5 + 5 + 5 + 5 = 25

6 0
3 years ago
Read 2 more answers
The temperature has been going down at a constant rate.In 4 hours it went down 12 degrees.Which expression best shows the temper
fomenos

Answer:

<u>t = t₀ - 3n</u>

Step-by-step explanation:

Let t be the temperature and t₀ be the initial temperature of the day

Let n be the number of hours after the initial temperature ( t₀) was registered

Let -3 be the constant of change of temperature ( In 4 hours it went down 12 degrees)

Now, let's write down the expression that shows the temperature change each hour, this way:

t = t₀ - 3n

After 2 hours

t = t₀ - 3 * 2 = t₀ - 6

After 5 hours

t = t₀ - 3 * 5 = t₀ - 15

After 3 hours and 30 minutes

t = t₀ - 3 * 3.5 = t₀ - 10.5

5 0
3 years ago
I
Delvig [45]

Answer:

y= 1/2 x +7

the slope is 1/2 since hwne it's perpendicular, it's reciprocal and the sign also changes

Step-by-step explanation:

3= -4 +b

b= 7

4 0
2 years ago
Please explain how - calc ab - see attached photo
baherus [9]

Answer:

D

Step-by-step explanation:

Set up to different integrals that match the endpoints

so in our case it would look like

\int\limits^0_{-2} {x} \, dx +\int\limits^1_0 {x+1} \, dx

now it's just a matter of computing it

\int\limits^0_{-2} {x} \, dx =x^2\\0^2-(-2)^2=4\\\int\limits^1_0 {x+1} \, dx =\frac{x^2}{2}+x\\\frac{1}{2}+1-0=\frac{3}{2}\\\frac{3}{2}+4=\frac{11}{2}

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3 years ago
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Fittoniya [83]
The answer is the first one:y=2x+35
7 0
3 years ago
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