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olga_2 [115]
3 years ago
11

Megan's family had cakes on two days. The first day, they had 2 3/4 cakes left. The second day, they had 1 1/4 cakes left. How m

any cakes were left in all?
Mathematics
1 answer:
vlabodo [156]3 years ago
8 0

Answer: 4 cakes left in all.


Step-by-step explanation:

Given: Cakes left on first day= 2\frac{3}{4}=\frac{11}{4}

Cakes left on second day =1\frac{1}{4}=\frac{5}{4}

The number of cakes left in all=\frac{11}{4}+\frac{5}{4}

⇒The number of cakes left in all=\frac{11+5}{4}=\frac{16}{4}

Therefore, The number of cakes left in all=4

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nika2105 [10]

2x-15y = 117 is the simplified form of the equation.

Equation : In a mathematical sentence, if two expressions are present in left and right side of an equal sign, then the mathematical sentence is called an equation.

If, a, b, c be integers and x is x-intercept & y is y-intercept, then ax+by=c is called equation of line.

Given that, the equation of the line that passes through the points (-9,-9)(−9,−9) and (6,-7)(6,−7).

Now, (-9,-9) & (6, -7) have a line through them with slope = (-9+7)/(-9-6) = 2/15

Therefore, (y+7) = 2/15×(x-6)

⇒ y+7 = 2x/15 - 4/5

⇒ y = 2x/15 - 4/5 - 7

⇒ y = 2x/15 -39/5

This is the equation in slope intercept form.

Multiplying the equation with 15, we get,

⇒ 15y = 2x-117

⇒ 2x-15y = 117 , which is the simplified form of the equation.

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1 year ago
Use the distributive property to remove the parentheses. (-2+2w+4w)(-7)
kotegsom [21]

The parentheses of the expression (-2+2w+4w)(-7) is removed using the distributive property and the resultant expression is -14-42w.

<h3>What is distributive property?</h3>

The distributive property says that the product of a number and sum of two numbers is equal to the addition of the product of that number with the individual number of the sum.

c×(a+b)=ac+ab

The given expression in the problem is,

(-2+2w+4w)(-7)

Now, use the distributive property to remove the parentheses as,

(-2+2w+4w)(-7)

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Hence, the parentheses of the expression (-2+2w+4w)(-7) is removed using the distributive property and the resultant expression is -14-42w.

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dolphi86 [110]

Answer:

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Step-by-step explanation:

The line is trending downwards, which is indicative of a negative slope.

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