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4 years ago

Please help! Brainiest worth 15 points

Mathematics

2 answers:

Agata [3.3K]4 years ago

5 0

Answer:

Step-by-step explanation:

1. The two triangles are given as congruent.

2. The sides that are congruent are written in the same position for the two end points.

FG are points one and two of the triangle FGH. Therefore you need the first two points of IJK which is I and J.

Therefore FG is congruent to IJ

The answer is C

klio [65]4 years ago

3 0

Answer:

Step-by-step explanation:

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I need some help with my math question

abruzzese [7]

Answer:

Step-by-step explanation:

There are same number on -2, -1 1 ,2

and it also means that 0,0 is the minime

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3 years ago

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A ramp with a constant incline is made to connect a driveway to a front door. At a point 4 feet from the driveway, the height of

trapecia [35]

Answer:

3in up per foot across

Step-by-step explanation:

4ft across 12in height

6ft across 18in height

So for every 2ft it goes up 6” which is a ratio of 1ft:3in so the answer to the rate of change is 3in up per 1ft across

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3 years ago

Can someone help me again please

cestrela7 [59]

Answer:

i) = 23 °C

ii) = 4.4° C

Step-by-step explanation:

i) The temperature on the surface of the planet.

At the surface of the planet the height is Zero

Therefore, X = 0

Thus; using the equation, the temperature, y will be;

y = 23 - 5x

y = 23 - 5(0)

 = 23 °C

ii) the temperature change for every kilometer from the surface,

From the equation;

y = 23 - 5x

we take, y to be 1

Therefore;

1 = 23 -5x , subtracting 23 on both sides we get

-22 = -5x

x = -22/-5

= 4.4° C

4 0

3 years ago

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Select the correct product. (x 2 + 4x + 8)(2x - 1)

marusya05 [52]

Answer:

$\large\boxed{(x^2+4x+8)(2x-1)=2x^3+7x^2+12x-8}$

Step-by-step explanation:

Use FOIL: (a + b)(c + d) = ac + ad + bc + bd

$(x^2+4x+8)(2x-1)\\\\=(x^2)(2x)+(x^2)(-1)+(4x)(2x)+(4x)(-1)+(8)(2x)+(8)(-1)\\\\=2x^3-x^2+8x^2-4x+16x-8\qquad\text{combine like terms}\\\\=2x^3+(-x^2+8x^2)+(-4x+16x)-8\\\\=2x^3+7x^2+12x-8$

7 0

3 years ago

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On a baseball field, the pitcher’s mound is 60.5 feet from home plate. During practice, a batter hits a ball 195 feet at an angl

Dominik [7]

The problem is modelled in the diagram below

We will use the cosine rule to find x

x² = 60.5² + 195² - [2×60.5×195×cos(32°)]
x² = 3660.25 + 38025 - [23595 × cos(32)]
x² = 41685.25 - 19683.50019
x² = 22001.74981
x = √22001.74981
x = 148.33 feet (rounded to 2 decimal place)

Note: the cosine rule is shown in the second diagram below

5 0

4 years ago