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Natasha2012 [34]
3 years ago
9

-5 + a/4 equals - 1 equals what?​

Mathematics
1 answer:
wel3 years ago
5 0
First, you do -5 plus 5 and whatever you do on one you you must do on the other so you add -1 +5 which gives you 4. Then you multiply by 4 on both sides so you can get a by itself. So 4 times 4 is 16.
A= 16
You might be interested in
Abcd is a rectangle if DB=26 and DC=24 find bc
Anettt [7]
Let's solve this problem step-by-step.

STEP-BY-STEP EXPLANATION:

Let's first establish that triangle BCD is a right-angle triangle.

Therefore, we can use Pythagoras theorem to find BC and solve this problem. Pythagoras theorem is displayed below:

a^2 + b^2 = c^2

Where c = hypotenus of right-angle triangle

Where a and c = other two sides of triangle

Now we can solve the problem by substituting the values from the problem into the Pythagoras theorem as displayed below:

Let a = BC

b = DC = 24

c = DB = 26

a^2 + b^2 = c^2

a^2 + 24^2 = 26^2

a^2 = 26^2 - 24^2

a = square root of ( 26^2 - 24^2 )

a = square root of ( 676 - 576 )

a = square root of ( 100 )

a = 10

Therefore, as a = BC, BC = 10.

If we want to check our answer, we can substitute the value of ( a ) from our answer in conjunction with the values given in the problem into the Pythagoras theorem. If the left-hand side is equivalent to the right-hand side, then the answer must be correct as displayed below:

a = BC = 10

b = DC = 24

c = DB = 26

a^2 + b^2 = c^2

10^2 + 24^2 = 26^2

100 + 576 = 676

676 = 676

FINAL ANSWER:

Therefore, BC is equivalent to 10.

Please mark as brainliest if you found this helpful! :)
Thank you and have a lovely day! <3
7 0
3 years ago
I need help with number 12 I’ll rate 5 stars if you help
Brrunno [24]

Answer:

0.25in.

Step-by-step explanation:

5÷20=0.25in.

8 0
3 years ago
Can someone please help
Flura [38]

Answer:

b 120 cm

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
An architect is designing a building each floor will be 12 ft tall. Write an expression for the number of floors the building ca
Svet_ta [14]

Answer:

\frac{h}{12}

Where "h" is the height of the building.

Step-by-step explanation:

For this exercise it is important to read and analize carefully the information provided.

According to the data given in the exercise, the height of each floor the arquitect is designing is 12 feet.

You want to know the number of floors of 12 feet tall that building can have for a given building height.

Then, you can let "h" represents the height of the building. This will be the variable in the expression.

In order to find the number of those floors that the building can have for "h", you need divide this height by the height of each floor.

Therefore, you can determine that the expression asked in the exercise is the following:

\frac{h}{12}

Where "h" is the height of the building.

8 0
3 years ago
Simplify square root of negative 121. −11i 11i −11 11
julsineya [31]
The answer is 11i because...
Square root of -121= square root of 121i = 11i
5 0
3 years ago
Read 2 more answers
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