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Fittoniya [83]
3 years ago
6

In 2002, the temperature on the first day of summer

Mathematics
2 answers:
Rina8888 [55]3 years ago
5 0

Answer:

c

Step-by-step explanation:

86-6=80

patriot [66]3 years ago
3 0
The answer is A hope it helped
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What is the value of h in the equation 8h = 60
irga5000 [103]

Answer:

h= 7.5

Step-by-step explanation:

8h=60

One solution was found :

                  h = 15/2 = 7.500

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    8*h-(60)=0

Step by step solution :

Step  1  :

Pulling out like terms :

1.1     Pull out like factors :

  8h - 60  =   4 • (2h - 15)

Equation at the end of step  1  :

Step  2  :

Equations which are never true :

2.1      Solve :    4   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

2.2      Solve  :    2h-15 = 0

Add  15  to both sides of the equation :

                     2h = 15

Divide both sides of the equation by 2:

                    h = 15/2 = 7.500

One solution was found :

                  h = 15/2 = 7.500

Processing ends successfully

7 0
3 years ago
Read 2 more answers
Which of the following are identities? Check all that apply
Natasha2012 [34]

Answer:

A, C

Step-by-step explanation:

Actually, those questions require us to develop those equations to derive into trigonometrical equations so that we can unveil them or not. Doing it only two alternatives, the other ones will not result in Trigonometrical Identities.

Examining

A) True

\frac{1-tan^{2}x}{2tanx} =\frac{1}{tan2x} \\ \frac{1-tan^{2}x}{2tanx} =\frac{1}{\frac{2tanx}{1-tan^{2}x}}\\ tan2x=\frac{1-tan^{2}x}{2tanx}

Double angle tan2\alpha =\frac{1 -tan^{2}\alpha }{2tan\alpha}

B) False,

No further development towards a Trig Identity

C) True

Double Angle Sine Formula sin2\alpha =2sin\alpha *cos\alpha

sin(8x)=2sin(4x)cos(4x)\\2sin(4x)cos(4x)=2sin(4x)cos(4x)

D) False No further development towards a Trig Identity

[sin(x)-cos(x)]^{2} =1+sin(2x)\\ sin^{2} (x)-2sin(x)cos(x)+cos^{2}x=1+2sinxcosx\\ \\sin^{2} (x)+cos^{2}x=1+4sin(x)cos(x)

7 0
3 years ago
Read 2 more answers
On Thursday the high temperature was 0 °C. If it was three degrees colder on Friday, what was the temperature?
Rina8888 [55]

Answer:

-3 degrees C

Step-by-step explanation:

We need to subtract 3 degrees from Thursdays temperature

0 - 3

-3 degrees C

8 0
2 years ago
Write the equation of the line in slope intercept form that given f(- 3) = 5 and f(3)=-3,
Fantom [35]

Step-by-step explanation:

the first coordinate is (-3 5),

x+3y -12 the second coordinate is (3, 3)

y= -1/3x +4

7 0
2 years ago
if the number 517*324 is completely divisible by 3, then what is the smallest whole number that could replace the *?​
Lelechka [254]

Answer:

2

Step-by-step explanation:

5+1+7+x+3+2+4=x+22

x+22 is divisible by 3,

multiple of 3 are 3,6,9,12,15,18,21,24,27,...

if x=2 ,then x+22=2+22=24

so smallest number is 2

8 0
2 years ago
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