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Stolb23 [73]
3 years ago
13

Hi pls help me solve this​

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
5 0

Answer:

-23.33

Step-by-step explanation:

C = 5/9 (F - 32)

C = 5/9 (-10 - 32)

C = 5/9 (-42)

C = -23.33

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Choose the justification for each step in the solution to the given equation.
Ilia_Sergeevich [38]

Answer:

addition property of equality, subtraction property of equality, simplified, division property of equality and simplified.

Step-by-step explanation:

7 0
3 years ago
The science club sponsors and ordering In church for the boys and girls in science called their forty-five sure science club num
Oliga [24]

Answer:

The Science club would required 15 packs of caps and 9 packs of shirts to fulfill the needs of each member.

Step-by-step explanation:

Given:

Number of caps in each pack = 3

Number of Shirts in each pack = 5

Total members of club = 45

Number of caps needed = 45

Number of shirts needed = 45

we have to find the least number of packs of caps and shirts that they need to buy in order to fulfill the needs of each member.

Solution:

Now we can say that;

number of packs of caps required can be calculated by Number of caps needed divided by Number of caps in each pack.

framing in equation form we get;

number of packs of caps required = \frac{45}{3} = 15\ packs

Also We can say that;

number of packs of Shirts required can be calculated by Number of Shirts needed divided by Number of Shirts in each pack.

framing in equation form we get;

number of packs of Shirts required = \frac{45}5} = 9\ packs

Hence The Science club would required 15 packs of caps and 9 packs of shirts to fulfill the needs of each member.

6 0
4 years ago
What's lateral surface area of a pyramid?​
a_sh-v [17]

Step-by-step explanation:

The lateral surface area of a pyramid is the area of each side of a right rectangular prism. The lateral area of a right pyramid can be calculated by multiplying half of the perimeter of the base by the slant height. The lateral surface area can also be found using this equation (see attachment.)

3 0
3 years ago
The longest side of a right triangle is 15 feet. The third side is 15 less than three times the shortest side. Find the length o
luda_lava [24]

Answer: The shortest side is 9ft

Step-by-step explanation: If the longest side is identified as 15 ft, then we already have our hypotenuse (the longest side in a right angled triangle).

If the shortest side is labelled as x, then the third side of the triangle would be labelled as 3x - 15 (15 less than three times the shortest side).

Now we have three sides of a triangle which we can label as 15, x and 3x - 15

By applying the Pythagoras theorem, AC² = AB² + BC²

(Where AC is the hypotenuse and AB and BC are the other two sides)

15² = X² + (3x-15)²

By expansion, (3x-15)² becomes 9x² - 90x + 225

Hence, 225 = X² + 9X² - 90X + 225

225 = 10X² - 90X + 225

Subtract 225 from both sides of the equation

10X² - 90X = 0

Factorize the left hand side of the equation by 10x

10x (x - 9)= 0

Therefore, either

10x = 0 OR

x - 9 = 0

If 10x=0, then x=0. OR

If x - 9 = 0, then x = 9

The length of the shortest side is 9ft.

4 0
3 years ago
Use the multiplier method to increase £258 by 43
tekilochka [14]

Answer:

The new value after an increase

of £258 by 43 will be: 368.94

Step-by-step explanation:

As we have to increase £258 by 43 using the multiplier method.

Let 'n' represent the new value after the increase of £258 by 43 using the multiplier method.

Using the formula

n = 258 + percentage increase

   =258+\left(43\%\:258\right)

   =258\:+\:43\%\:\times 258

Factoring out 258

    =\left(1\:+\:43\%\right)\:\times \:258

as 1 = 100 / 100 = 100%

so

   =\left(100\%\:+\:43\%\right)\:\times \:258

   =143\%\:\times \:258

    =\frac{143}{100}\times 258

    =\:\frac{143\times 258\:\:}{100}

    =\:\frac{36,894\:\:}{100}

    =368.94

Therefore, the new value after an increase

of £258 by 43 will be: 368.94

6 0
3 years ago
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