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barxatty [35]
3 years ago
11

I WILL GIVE YOU BRAINLIEST, AND 30 POINTS SO PLEASE HELP ME, IT'S URGENT!

Mathematics
2 answers:
AysviL [449]3 years ago
8 0

Answer:

31.5 units^2

Step-by-step explanation:

This is a right triangle

The x dimension is from B to C

-4 to 3 is 7 units

The y dimension is from A to B

5 to -4 = 9 units

The area of a triangle is

A = 1/2 bh

A = 1/2 (7)(9)

   = 31.5

never [62]3 years ago
6 0

Answer:

First one:

31.5 units²

Step-by-step explanation:

AB: 5 - (-4) = 9 units

BC: 3 - (-4) = 7 units

ABC is a right angle triangle with 90° at B

Base: BC

Height: AB

Area:

½ × base × height

½ × 7 × 9

31.5 units²

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Mila [183]

Answer:

$6.65

Step-by-step explanation:

You could start by seeing the price of a 1 minute phone call. if you divide 1.75 by 5 it is 0.35. that means 1 minute costs $0.35. so the equation would be 0.35 times 19. which is 6.65 dollars.

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LenKa [72]

Answer:

I'm not sure what you want me to answer from this, so I solved for every variable:

Angle A: 83°

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Side c: 5.8

Step-by-step explanation:

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Since the sum of the interior angles of a triangle ALWAYS equal 180°, we can solve for angle A as follows:

A+51+46=180\\A+97=180\\A=83

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Here, we use the sin rule for finding sides, since we know all of the angles as well as one side:

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\frac{a}{sin(A)} =\frac{c}{sin(C)} \\\frac{8}{sin(83)}=\frac{c}{sin(46)} \\8.06=\frac{c}{0.72} \\5.8=c

7 0
2 years ago
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There were seventeen thousand four hundred nine people at a baseball game. What is this number in expanded form?
padilas [110]

Hi!

<h3>Expanded form is when we multiply each of the digits by how many 0s they have. </h3>

So 253 is (2 x 100) + (5 x 10) + (3 x 1).

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400

9

(<u>17 x 10,000) + (4 x 100) + (9 x 1)</u>

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Hope this helps! :)

-Peredhel

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Karabo is training by running for the Comrades Marathon,he starts his training by running 40km per week.Each week he increases t
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Answer:

40 + (n-1)10

Step-by-step explanation:

Correct me if im wrong but im pretty sure this is it.

4 0
3 years ago
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