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3 years ago

Help! Thanks! Math!

Mathematics

1 answer:

Sergio [31]3 years ago

5 0

The square root of x is less than 4. There is an open circle on 4 indicating its exclusion from the set. Square roots cannot result in negative numbers so the set ends at 0.

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Which expression is equivalent to 2x - 10y + 9y - 11x ?

elena-s [515]

Answer:

-9x - y

Step-by-step explanation:

Combine like terms. That is, combine all the x terms and then, separately, combine all the y terms.

2x - 10y + 9y - 11x = -9x - y (answer)

3 0

3 years ago

Two angles are given.

LUCKY_DIMON [66]

Answer:

Angle g and h are complementary angles.

Angle g and h are acute angles.

Step-by-step explanation:

The given angles are

$m\angle g=(2x-90)^{\circ}$

$m\angle h=(180-2x)^{\circ}$

If sum of two angles is 180, then they called supplementary angles.

If sum of two angles is 90, then they called complimentary angles.

Add both angles.

$m\angle g+m\angle h=(2x-90)^{\circ}+(180-2x)^{\circ}$

$m\angle g+m\angle h=(2x-90+180-2x)^{\circ}$

$m\angle g+m\angle h=90^{\circ}$

The sum of two angles is 90 degree, therefore angle g and h are complementary angles.

Both angles are greater than zero and their sum is 90, it means

$0$ and $0$

Therefore, angle g and h are acute angles.

7 0

3 years ago

What is the missing number if the median is 25 and the range is 7. 25,29,23,26...

makkiz [27]

Answer:

Step-by-step explanation:

It must be 22 because the current max/min are 29 and 23, which only differ by 6; the other option, 30, would produce a median of 26.

8 0

3 years ago

A) Berenice repartió 52 L de jugo de naranja en cuatro vitroleros, 18 L de

Strike441 [17]

Answer:

I will answer it in English, you can translate it if you do not understand.

The question can be translated to:

a) Berenice divided 52L of orange juice into 4 glass barrels.

Then we are dividing 52L into 4 equal parts, then each glass barrel has:

52L/4 = 13L of orange juice

b) 18L of carrot juice into 5 glass barrels

Same as before, we are dividing 18 L into 5 equal parts, then each glass barrel has:

18L/5 = 3.6L = (3 + 3/5) L

(Expressed as a whole and a fraction)

C) 79L of grape juice into 9 glass barrels.

same as before:

79L/9

in this case, I will explain to you how to write this as a whole and a fraction

79L/9

First, we need to find a multiple of 9 that is smaller than 79.

this is 9*8 = 72.

and we can write 79 = 72 + 7

then we can write our division as:

79L/9 = (72 + 9)L/9

now we can distribute the division:

(72 + 9)L/9 = (72/9 + 7/9)L = (8 + 7/9)L

And now you have it written as a whole number and a fraction.

4 0

3 years ago

angle 1 and an angle that measures 50° are supplementary another angle that measures 50 degrees and angle 3 are supplementary sh

MakcuM [25]

∠1 ≅∠3 = 130º

1) Gathering the data, accordingly to what's been told we can write:

∠1 + ∠50º = 180º Definition of two supplementary angles

∠50 +∠3 = 180º

2) Then we can evaluate:

∠1 + ∠50º = 180º Subtract ∠50º from both sides

∠1 = 180º -50º

∠1 = 130º

∠50 +∠3 = 180º

∠3 = 180º-50º

∠3 = 130º

3) Hence ∠1 ≅∠3 = 130º because the definition of supplementary angles is the same.

8 0

1 year ago