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tiny-mole [99]
3 years ago
8

Select from the drop-down menu to correctly identify the property shown. 0.8+(1.2+(−3))=(0.8+1.2)+(−3)

Mathematics
2 answers:
UkoKoshka [18]3 years ago
4 0

Hi! took the quiz, it's associative properties

cluponka [151]3 years ago
3 0

HI Thank you for the answer it was right and I got an A on my math test thank you so much!

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Together, angles A and B form a 90° angle. Angle A measures 54°. What is the measure of angle B?
goldfiish [28.3K]

Answer:

36

Step-by-step explanation:

90-54=36

right angles measure 90 therefore angle a and b has to add up to 90

5 0
3 years ago
The sum of two numbers is 70.<br> One number is 10 more the twice the other number.
GalinKa [24]

Answer:

20 and 50

Step-by-step explanation:

x + y = 70

y = 2x + 10

Use the substitution method:

y = 70 - x

y = 2x + 10

70 - x = 2x + 10

3x = 60

x = 20

x + y = 70

20 + y = 70

y = 50

<u>x = 20</u>

<u>y = 50</u>

<u />

4 0
3 years ago
What is the graph of the linear inequality y≤−3x+4?
tatiyna

Answer:

It would look like the picture I attached at the bottom.

Step-by-step explanation:

We know that the slope is -3 and the y intercept is (0,4) (plugging in 0 for x will get you that point), and then you can just graph an equation like you normally would, using rise/run to go down 3 units for every one unit you go right, and plugging in easy x values to check your work.

It gets a little tricky because the question then adds the inequality, and we see that y is now less than <em>or equal to </em>the original equation.

Since it is less than, we can shade all the values below the graph.

(Also, you should probably note for future reference that if it was just less than, the shading would look the same while the graph itself would be dotted because the values on the line are nor included in the solution set).

Desmos is a great website to use if you're having trouble graphing in the future :)

5 0
3 years ago
HELP ME PLEASE!!! best answer gets brainliest show steps please​
solniwko [45]

Answer:

height = 20 cm

Step-by-step explanation:

The volume (V) of a cylinder is calculated using the formula

V = πr²h ← r is the radius and h the height

given r = 12 and V = 2880π, then

π × 12²h = 2880π

144πh = 2880π ( divide both sides by 144π )

h = \frac{2880\pi }{144\pi } = 20

7 0
3 years ago
Read 2 more answers
Sam, John, Matt, and Bob are going to drive to Florida. It is a 8 1/4 hour drive. Sam drove 1 1/3 hours. John drove 1 5/6 hours.
vovangra [49]

Answer:

Step-by-step explanation:?

7 0
3 years ago
Read 2 more answers
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