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hichkok12 [17]
3 years ago
13

If 50% of a number is 150 and 30% of the same number is 90, find 80% of that number.

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
8 0

Answer:

A. 240

B. 225

Step-by-step explanation:

50% of ? = 150

80% of ? = 150 x (80%/50%)
80/50 = 1.6

%/% = 1

1.6 x 1 = 1.6

80% of 300 = 150 x 1.6

150 x 1.6 = 240

80% of 300 = 240.

25% of 900 = ?

900 x 25 = 22500

22500/100 = 225

900 x 25% = 225

225 people bring their lunch to school on Thursday.

Natali [406]3 years ago
5 0

Answer:

5/100x900=180

Step-by-step explanation:

answer 180

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In a triangle the base is 4 inches and the height is 6 inches. Find the area. Type a numerical answer in the space
MAVERICK [17]

Answer:

12

Step-by-step explanation:

area =1/2 base×height

=1/2 ×4×6

=12

8 0
3 years ago
Which glide reflection describes the mapping ABC DEF​
almond37 [142]

Answer:

1. Reflect ABC about the line AC and then translate 1 unit to the right.

2. Translate ABC 1 unit to the right and then reflect it about the line AC.

Step-by-step explanation:

We are given that,

ABC is transformed using glide reflection to map onto DEF.

Since, we know,

'Glide Reflection' is the transformation involving translation and reflection.

So, we can see that,

ABC can be mapped onto DEF by any of the following glide reflections:

1. Reflect ABC about the line AC and then translate 1 unit to the right.

2. Translate ABC 1 unit to the right and then reflect it about the line AC.

Hence, any of the two glide reflection will map ABC onto DEF.

6 0
4 years ago
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In a game of cornhole, Sasha tossed a bean bag and it landed at the edge of the hole. The hole can be represented by the equatio
White raven [17]

Answer: (-1, -2) or (-2, 1)

Step-by-step explanation:

i graphed it on desmos and used the intersected points.

6 0
3 years ago
How do I solve 1/10x+5=-3x-13+4x ?
Temka [501]

Answer:

x = 20

I am not sure if you wanted the answer. Sorry!

Step-by-step explanation:

Let's solve your equation step-by-step.

1/10 x + 5 = - 3x - 13 + 4x

Step 1: Simplify both sides of the equation.

1/10 x + 5 = - 3x - 13 + 4x

1/10 x + 5 = - 3x + - 13 + 4x

1/10 x + 5 = (<em>- 3x + 4x</em>) + (- 13)

1/10 x + 5 = <em>x</em> + - 13

1/10 x + 5 = x - 13

Step 2: Subtract x from both sides.

1/10 x + 5 - <em>x </em>= x - 13 - <em>x</em>

- 9/10 x + 5 = - 13

Step 3: Subtract 5 from both sides

- 9/10 x + 5 - <em>5</em> = - 13 - <em>5</em>

- 9/10 x = - 18

Step 4: Multiply both sides by 10/(- 9).

(<em>10/ - 9</em>) * (- 9/10 x) = (<em>01/ - 9</em>) * (- 18)

x = 20

Hope this helps!

4 0
3 years ago
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BlackZzzverrR [31]

Answer:

312.38

Step-by-step explanation:

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