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Arada [10]
3 years ago
14

Solve pls brainliest And the option is for all 3 of them

Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
8 0

Answer:

a). associative property <u>4</u> + (7+0) = (4+7) + 2

b). commutative property <u>4</u> + 6 = 6 + 4

c). identity property <u>8</u> + 0 = 8

Nastasia [14]3 years ago
7 0

Answer:

A. associative property

B. commutative property

C. identity property

Step-by-step explanation:

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I need help with surface area
patriot [66]

Answer:

Surface Area varies by object/shape.

Ask your teacher/learning helper for those formulas of surface area

Step-by-step explanation:

Surface area is the sum of all faces (or surfaces) on a 3D shape. A cuboid has 6 rectangular faces. To find the surface area of a cuboid, add the areas of all 6 faces. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.

4 0
3 years ago
Giselle's youth club sells cookies to fund their trips and activities. Each year they need to earn $1,247 from selling cookies.
algol [13]

Price per box, P = $1.45 .

Money left, M = $1247 - $472.70 = $774.3  .

Let, number of boxes are x.

So,

x = \dfrac{774.3}{1.45}\\\\x = 534\ boxes

Therefore, they have to sell 534 more boxes.

Hence, this is the required solution.

6 0
3 years ago
A single die is rolled. How many ways can you roll a number that is prime, followed by a 6?
Grace [21]

Answer:

3 ways

Step-by-step explanation:

Since 6 will remain constant throughout the testing, we just need to find all prime numbers 1-6.

1 - is not prime nor composite

2 - is prime

3 - is prime

4 - 2x2=4, so composite

5 - is prime

6 - 2x3=6, so composite

Therefore, 2, 3, and 5 are prime numbers, and there are 3 of them.

5 0
3 years ago
Read 2 more answers
What is the value of x 5,2.5,7.5,10
Norma-Jean [14]
This question is referred to two similar triangles.

One triangle has sides x and x - 2.

The other triangle has the respective sides x + x + 5 and x - 2 + x + 1

Then you can state a proportionality relation between the sides>

[x + x + 5] / x = [x - 2 + x + 1] / [x - 2]

=> [2x + 5] / x = [2x - 1] / [x - 2]

=> (2x + 5)(x - 2) = (2x - 1)x

=> 2x^2 - 4x + 5x - 10 = 2x^2 - x

=> x - 10 = - x

=> 2x = 10

=> x = 10 / 2

=> x = 5

Answer: x = 5
3 0
3 years ago
Read 2 more answers
Write your answer as an integer or as a decimal rounded to the nearest hundredth.
irina [24]

Answer:

<h3><X = 63</h3>

Step-by-step explanation:

USing SOH CAH TOA

sin theta = opposite/hypotenuse

sin <X = WV/VX

sin <X = 8/9

<X = arcsin(8/9)

<X = arcsin(0.8889)

<X = 62.7 degrees

Hence the value of x is approximately 63degrees

7 0
2 years ago
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