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stich3 [128]
3 years ago
9

Expand and simplify (x+4)(x+8)

Mathematics
2 answers:
icang [17]3 years ago
6 0
(x+4)(x+8)
=x(x+8)+4(x+8)
=x^2+8x+4x+32
=x^2+12x+32
azamat3 years ago
3 0
4x*8x=32x

i think that's it, but math isn't my strong suit

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During a winter's night, the low temperature was recorded at 19oF. The wind-chill temperature that night was -7^oF. What was the
erastovalidia [21]

Answer:

-26oF

Step-by-step explanation:

The difference between the low temperature and the wind-chill temperature is the result obtained when the low temperature is subtracted from the wind-chill temperature.

This difference

= -7oF - 19oF

= -26oF

The negative sign shows that there was a fall in temperature.

7 0
3 years ago
What was the difference in profits between the two companies for the year 2000?
Rom4ik [11]

Answer:

60000

Step-by-step explanation:

70000 - 10000 = 60000

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Which options are correct representations of slope?
kakasveta [241]

Answer: Option 2

Step-by-step explanation:

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3 years ago
What are the coordinates of the image of vertex R after a reflection across the y-axis? (–4, 3) (4, –3) (–3, –4) (3, 4)
bogdanovich [222]

(–4, 3) (4, –3) (–3, –4) (3, 4)

this is a rather simple yet complex concept the easiest way to solve these is to do the exact opposite.

so in this instance it is refrcted across the y-axiss so we swap ONLY the x value NOT the Y ie (-4,3) would switch to (4,3)

same thing would apply if it reflected across x-axis ex (-4,-3)

If it reflect across orgin you change both signs. ex (4,-3)

ie.

(–4, 3) (4, –3) (–3, –4) (3, 4)

changes to

(4, 3) (-4, –3) (3, –4) (-3, 4)

hope it helps

6 0
4 years ago
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Are the triangles congruent why or why not
maxonik [38]

Answer:

The triangles are congruent by either Angle Side Angle (ASA) or Angle Angle Side (AAS).

Further Explanation:

The congruent triangles are those in which all the corresponding angles and the sides are equal.

There are many congruency rules and are as follows.

1. Angle Angle Side (AAS)

2. Angle Side Angle (ASA)

3. Side Side Side (SSS)

4. Side Angle Side (SAS)

Explanation:

The sum of all the angle of a triangle is {180^ \circ }180

∘

.

In triangle ABC the sum of all angle is {180^ \circ }180

∘

.

\begin{lgathered}\begin{aligned}\angle A+\angle B+\angle C&={180^\circ}\\{42^\circ}+{53^\circ }+\angle C&={180^\circ }\\\angle C&={180^\circ }-{95^\circ }\\\angle C&={85^\circ }\\\end{aligned}\end{lgathered}

∠A+∠B+∠C

42

∘

+53

∘

+∠C

∠C

∠C

=180

∘

=180

∘

=180

∘

−95

∘

=85

∘

In triangle RMQ the sum of all angle is {180^ \circ }180

∘

.

\begin{lgathered}\begin{aligned}\angle R+\angle M+\angle Q&=180^{\circ}\\42^{\circ}+\angle M+85^{\circ}&=180^{\circ}\\\angle M&=180^{\circ}-127^{\circ}\\\angle M&=53^{\circ}\end{aligned}\end{lgathered}

∠R+∠M+∠Q

42

∘

+∠M+85

∘

∠M

∠M

=180

∘

=180

∘

=180

∘

−127

∘

=53

∘

Consider the triangle ABC and triangle RMQ.

\angle A=\angle R={42^\circ }∠A=∠R=42

∘

Side AB = RM

\angle B=\angle M∠B=∠M

Therefore, the triangle ABC is congruent to triangle RMQ.

The triangles are congruent by either Angle Side Angle (ASA) or Angle Angle Side (AAS).

Learn more:

1. Learn more about inverse of the function brainly.com/question/1632445.

2. Learn more about equation of circle brainly.com/question/1506955.

3. Learn more about range and domain of the function brainly.com/question/3412497

Answer details:

Grade: High School

Subject: Mathematics

Chapter: Triangle

Keywords: congruent, angles, triangle, ASA, angle side angle, congruent sides, acute angle, side, corresponding angles, congruent triangle.

3 0
3 years ago
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