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2 years ago

What is 55 -3 + 1 help please

Mathematics

2 answers:

Viefleur [7K]2 years ago

7 0

53 hope i helped :) :))))

tangare [24]2 years ago

4 0

7
the answer is 7
either that or 53

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99999999÷777777777÷888888888888×8888889999=<br><br>EXPLAIN NO CHEATING

Zarrin [17]

Answer:

0.00128571443

Step-by-step explanation:

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2 years ago

Enter the decimal 1.81 repeating as an improper fraction in simplest form.

Elodia [21]

Answer:

1 9/11

Step-by-step explanation:

1.81 repeating is the equivalent to 1 9/11

6 0

3 years ago

Stefan's rectangular bedroom is 12 feet by 9 feet. What is the diagonal distance from one

Rainbow [258]

Answer:

505 ft

Step-by-step explanation:

pythagorean therom = $a^{2} +b^{2}=c^{2}$

a= 15

b=9

$12^{2} +19^{2}=c^{2}$

144+361=505

505 ft

5 0

3 years ago

Read 2 more answers

Find the surface area of the figure shown. 5 cm 5 cm cm 1.5 cm 8 cm your answer

Delicious77 [7]

Answer:

51 cm^2

Step-by-step explanation:

the formula for area of an icoselese triangle is
A = b * h / 2
h is a line from the angle where the 5 and 5 intersect to the middle of the third line
You can find h using the pythagoran theorm with the 5 being the hypotenuse and the a being half the third line

4^2 + b^2 = 5^2
16 + b^2 = 25
b = 3, so h = 3, so now
A = 8 * 3 / 2
A = 24 / 2
A = 12 cm^2

now we have the triangle, just multiply that by 2 (top and bottom)
12 * 2 = 24

sides
8 * 1.5 = 12
5 * 1.5 * 2 = 15

now add all of it
15 + 12 + 24 = 51

4 0

1 year ago

6. Write the equation of the line.

liberstina [14]

Answer:

y = x + 2

Step-by-step explanation:

As the equation of a line is in the form y = mx + c:

Step 1 - Calculate the y intercept

This can be done by looking at the y coordinate where x = 0:

y = mx + c

In the picture, the y intercept is 2 so:

y = mx + 2

Step 2 - Calculate the slope

This can be calculated by:

$\frac{\text{change in y}}{\text{change in x}}$

Get two sets of coordinates:

(0, 2) and (2, 4)

Calculate the changes by subtracting from one another:

$\frac{4 - 2}{2 - 0} \\\frac{2}{2}\\=1$

So the gradient is 1, meaning the equation of the line is:

$y = 1x + 2 \\\text{or}\\y = x + 2$

Hope this helps!

4 0

2 years ago