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Whitepunk [10]
3 years ago
12

4(3r+2)-7x i need help every answer i get is wrong.

Mathematics
2 answers:
Zina [86]3 years ago
8 0

Answer:

12r+8-7x

Step-by-step explanation:

First distribute the 4 into each of the numbers in the parenthesis:

4 x 3r=12r

4 x 2=8

<u>Final answer:</u>

12r+8-7x

Rudik [331]3 years ago
3 0

Answer:

x>10

SOOO YEAH

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The price of an item decreased by 20% to $200. Then later the price decreased again from $200 to $150. What is the percent of de
cricket20 [7]

Answer:

40%

Step-by-step explanation:

ok so first find the og price:

100% - 20% = 80%

so 80% = 200

let the 100% be x:

x * 0.8 = 200

x= 250

100% = 250

(difference/ og price) * 100% = the percentage decrease/ increase

(250-150/250)* 100% = 40%

OR

((the final price/ og price) * 100%) - 100%

((150/250)*100%) - 100% = 40%

There was a 40% decrease from the og price to the final price of 150.

3 0
3 years ago
Which equation can be used to find the measure of an angle that is supplementary to POS
Reil [10]
Two angles are called supplementary if their sum is equal to 180°
<span>to find the measure of an angle that is supplementary to POS, we have the following equation

measPOS + x = 180°, where x is supplementary to POS </span>
3 0
3 years ago
Read 2 more answers
PLEASE !! I really can’t solve this myself I already tried !!
shutvik [7]

Answer:

The answer is C

Step-by-step explanation:

17 would be the distance eliminating B & perhaps C ( idk i cant see the last one )

8 0
4 years ago
50 Points.
Lisa [10]

Answer:

Given: Line p is parallel to line r.

Alternate exterior angles states that two angles in the exterior of the parallel lines, and on opposite sides of the transversal.

Alternate exterior angles are non-adjacent and congruent.

\angle 2 \cong \angle 7                [ Alternate exterior angles]

Since, Angles are congruent if they have the same angle measure in degrees

m \angle 2 =m\angle 7  ....[1]         [by definition of congruent Angles]

Linear pair states that a pair of adjacent angles formed when two lines intersect.

therefore, by definition  \angle 1 and \angle 2 forms a linear pair.

Since, linear pair are always supplementary.

\angle 1 is supplementary to \angle 2

Supplementary angles states that two angles are supplementary that means they add up to measure 180 degree.

m\angle 1+m\angle 2 =180^{\circ}

Substitute the equation [1] in above equation we get;

m\angle 1+m\angle 7 =180^{\circ}

then, by the definition of supplementary angle ;

\angle 1 is supplementary to \angle 7


8 0
3 years ago
Since ABCD is a parallelogram, the two pairs of _________ sides (AB¯ and CD¯, as well as AD¯ and BC¯) are congruent. Then, since
Marysya12 [62]

Answer:

1. Opposite

2. angle-side-angle criterion

Step-by-step explanation:

Since ABCD is a parallelogram, the two pairs of <u>(opposite)</u> sides (AB¯ and CD¯, as well as AD¯ and BC¯) are congruent. Then, since ∠9 and ∠11 are vertical angles, it can be concluded that ∠9≅∠11. Since ABCD is a parallelogram, AB¯∥CD¯. Since ∠2 and ∠5 are alternate interior angles along these parallel lines, the Alternate Interior Angles Theorem allows that ∠2≅∠5. Since two angles of △AEB are congruent to two angles of △CED, the Third Angles Theorem supports that ∠8≅∠3. Therefore, using the <u>(angle-side-angle criterion)</u>, it can be stated that △AEB≅△CED. Then, applying the definition of congruent triangles, it can be stated that AE¯≅CE¯, which makes E the midpoint of AC¯. Use a similar argument to prove that △AED≅△CEB; then it can be concluded that E is also the midpoint of BD¯. Since the midpoint of both line segments is the same point, the segments bisect each other by definition. Match each number (1 and 2) with the word or phrase that correctly fills in the corresponding blank in the proof.

A parallelogram posses the following features:

   1. The opposite sides are parallel.

   2. The opposite sides are congruent.

   3. It has supplementary consecutive angles.

   4. The diagonals bisect each other.

7 0
4 years ago
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