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seraphim [82]
3 years ago
11

I need help on this if you know all the answers that would be great but if not I understand I am just struggling

Mathematics
2 answers:
tatyana61 [14]3 years ago
6 0

Answer:

1. 8x+9

2. 3x + 11

3. 9x + 8

4. 11x+9

5. 6x

6. 10x+ 8

7. 7x+7

Step-by-step explanation:

ivann1987 [24]3 years ago
3 0

Answer:

question 1: 8x + 7

question 2: 3x + 11

question 3: 9x + 8

question 4: 11x + 9

question 5: 6x

question 7: 10x + 8

question 8: 7x + 7

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A semi- circle has an area of 35cm . What is its diameter?
patriot [66]

Answer:

<h2>Area Semicircle = 1/2 πr² </h2>

where

r radius of semicircle

→ ½ * 22/7 * r² = 35

→ 11/7 * r² = 35

→ r² = 35*7/11

→ r² = 245/11

→ r² = 22.77

→ r = √22.77

→ r = 4.77

Therefore,

Diameter = 2*4.77

= 9.54 cm

5 0
2 years ago
-2 2/3 + (-9 4/5)= ?
Nataly [62]

Answer:

<em>-</em><em>2</em><em>2</em><em> </em><em>/</em><em>3</em><em> </em><em>+</em><em> </em><em>(</em><em>-</em><em>9</em><em>4</em><em>/</em><em>5</em><em>)</em><em> </em>

<em>-</em><em>2</em><em>2</em><em>/</em><em>3</em><em> </em><em>+</em><em> </em><em>-</em><em>8</em><em>9</em><em>/</em><em>5</em>

Step-by-step explanation:

<em>-</em><em>1</em><em>1</em><em>0</em><em>/</em><em>1</em><em>5</em><em> </em><em>+</em><em> </em><em>-</em><em> </em><em>2</em><em>5</em><em>7</em><em>/</em><em>1</em><em>5</em>

<em>-</em><em>3</em><em>6</em><em>7</em><em>/</em><em>1</em><em>5</em>

6 0
3 years ago
Suppose that all the points on the circular dartboard shown are equally likely to be hit by a dart. if the radius of the red cir
Anestetic [448]
This equals the  the area of white part / area of the entire dartboard

area of the entire board = pi * 6^2 = 36pi

area of white part = 36pi  - 2^2*pi  = 32pi

do required probability = 32pi / 36pi  =  0.889   or 88.9 %   (to nearest tenth)


or as a fraction it is 8/9
8 0
3 years ago
Read 2 more answers
Mrs. Rodriquez has 24 students in her class. Ten of the students are boys. Jeff claims that the ratio of boys to girls in this c
Artyom0805 [142]

Answer:

See Below

Step-by-step explanation:

Total no of students = 24

No of boys = 10

So, no of girls = 24 - 10 = 14

Ratio of boys to girls = 10/14 = 5/7 = 5 : 7

So the ratio of boys to girls should be 5 : 7 and not 5 : 12

7 0
3 years ago
Plz help me out to get the answer
vaieri [72.5K]

-2(-1) + 7y = -54

2 + 7y = -54

7y = -56

y = -8

When x = -1, y = -8.

6 0
3 years ago
Read 2 more answers
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