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3 years ago

Helpppppp PLEASEEE GIVING BRAINLIEST

Mathematics

1 answer:

yulyashka [42]3 years ago

3 0

Answer:

-12x + 5 > -19

-12x > -24

x < 2

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18) Mala gave Kamala half the number of sweets she had. She then had 7 sweets left. How many sweets did Mala have at the start?

bixtya [17]

Answer:

Mala had 14 sweets at the start.

Step-by-step explanation:

7 x 2 = 14

To check, 14/2 = 7. (Dividing by 2 is the same as multiplying by 1/2)

4 0

3 years ago

~Draw a diagram of this statement.

TiliK225 [7]

(A) The print area is 4/10 × 100% = 40% of the total, so the ad area is ...

... 100% - 40% = 60% of the print area

(B) News : Ads = (40%) : (60%) = 2 : 3

6 0

4 years ago

The table shows a company’s profit based on the number of pounds of food produced.

Bingel [31]

Answer:

$5,300

Step-by-step explanation:

Formulae used,

$a=\dfrac{(\sum x^2y\sum xx)-(\sum xy\sum xx^2)}{(\sum xx\sum x^2x^2)-({\sum xx^2)}^2}$

$b=\dfrac{(\sum xy\sum x^2x^2)-(\sum x^2y\sum xx^2)}{(\sum xx\sum x^2x^2)-({\sum xx^2)}^2}$

$c=\dfrac{\sum y}{n}-b\frac{\sum x}{n}-a\frac{\sum x^2}{n}$

Where,

$\sum xx=\sum x^2-\dfrac{(\sum x)^2}{n}$

$\sum xy=\sum xy-\dfrac{\sum x\sum y}{n}$

$\sum xx^2=\sum x^3-\dfrac{\sum x\sum x^2}{n}$

$\sum x^2y=\sum x^2y-\dfrac{\sum x^2\sum y}{n}$

$\sum x^2x^2=\sum x^4-\dfrac{(\sum x^2)^2}{n}$

Putting the values from the table, we get the best fit line as,

$y= -0.0817x^2 + 102.24x - 20421$

As we want to calculate the profit at 350 pounds, so putting x=350, we get

$y= -0.0817(350)^2 + 102.24(350) - 20421=\$5354.75$

5 0

4 years ago

Read 2 more answers

Abc is triangle,right angled at C. If AB = 25cm and AC = 7 cm ,find BC

Sauron [17]

Answer:

14cm

Step-by-step explanation:

times by 2

4 0

3 years ago

PLEASE EXPLAIN YOUR ANSWER

umka21 [38]

Answer:

equivalent to 58/100

and 58%

Step-by-step explanation:

7 0

3 years ago