3 years ago

|-9-3| + (-16:4) Evaluate the following expressions

Mathematics

1 answer:

Yakvenalex [24]3 years ago

3 0

Answer:

I got 12 + (-16 :4)

Step-by-step explanation:

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4. 122 - 4(6) + 1 Evaluate 112 122 - 4(6) + 1 112

san4es73 [151]

Answer:

ans=97

Step-by-step explanation:

(i)u should use BEDMAS RULE.

122-4(6)+1

=122-24+1

=122-25

=97

8 0

2 years ago

NEED HELP QUICK!!

mrs_skeptik [129]

Answer:

(x - 2)² + (y - 6)² = 49

Step-by-step explanation:

Equation of a circle formula: (x - a)² + (y - b)² = r²

where (a, b) is the center of the circle and r is the radius

Given, center = (2, 6) and radius = 7

Substitute this information in the equation of a circle formula.

⇒ Equation of the circle: (x - 2)² + (y - 6)² = 49

3 0

1 year ago

By what percent will a fraction increase if its numerator is decreased by 30%

Nadya [2.5K]

Answer:

40%

Step-by-step explanation:

Let x = numerator

Let y = denominator

$\implies \dfrac{x}{y}$

Decreased by 30% = 100% - 30% = 70% = 70/100 = 0.7

Decreased by 50% = 100% - 50% = 50% = 50/100 = 0.5

$\implies \dfrac{0.7x}{0.5y}$

$\implies \dfrac{0.7}{0.5}=1.4$

$\implies 1.4 \ \dfrac{x}{y}$

1.4 as a percentage = 1.4 x 100 = 140%

Therefore, the percentage increase is 140 - 100 = 40%

3 0

1 year ago

What is the value of n? 121 144

Blababa [14]

Is there an equation for this?

6 0

2 years ago

Amy is doing a science experiment on how a certain bacterium reacts to an antibiotic. She has 3 dishes of identical bacterium sa

Scorpion4ik [409]

The sample size is 13 * 3 = 39

7 0

3 years ago