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3 years ago

13

Ann ate 54 candies in two days. How many candies did she eat each day, if she ate 8 more candies on the first day than on the se

cond day?

1 answer:

ale4655 [162]3 years ago

8 0

35 on the first day 19 on the second

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What is the gradient of the blue line?? Mathswatch

yaroslaw [1]

Answer:

gradient = -5

Step-by-step explanation:

A line passes (x1, y1) and (x2, y2) has the gradient (slope) which is calculated by:

gradient = (y2-y1)/(x2-x1)

As shown in picture, this blue line passes (-1, 0) and (0, -5)

=> gradient = (-5 - 0)/(0 - -1) = -5/1 = -5

Hope this helps!

3 0

3 years ago

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You deposit $70 in a savings account that pays an annual interest rate of 30%. How much simple interest would you earn in 2.5 ye

blagie [28]

The formula is
I=prt
I interest earned?
P principle 70
R interest rate 0.3
T time 2.5 years
I=70×0.3×2.5
I=52.5

4 0

3 years ago

5/6 d = -15? I don't understand

Dahasolnce [82]

.

$\frac{5}{6} d = - 15$
First you have to simplify 5/6d to 5d/6 as shown below
$\frac{5}{6} d = \frac{5d}{6}$
Then multiple both sides by 6 because you are trying to solve for d
$5d = - 15 \times 6$
Multiply -15 and 6 to get -90
$5d = - 90$
Divide -90 by 5
$d = \frac{ - 90}{5}$
$d = - 18$
Then if you check it, it will give you -15 as your answer
$\frac{5}{6} \times - 18 = - 15$
$\frac{5 \times - 18}{6} = - 15$
$\frac{ - 90}{6} = - 15$
$- 15 = - 15$

7 0

3 years ago

The front wall of your shed is in the shape of a trapezoid. The bottom measures 22 feet, the top measures 20 feet, and the heigh

saveliy_v [14]

The area of a trapezoid is given by the formula:
A = (1/2)×(b₁ +b₂)×h
Substitute the given information and evaluate.
A = (1/2)×(22 ft +20 ft)×(10 ft)
A = (1/2)×(42 ft)×(10 ft)
A = (21 ft)×(10 ft)
A = 210 ft²

The area of the front wall of your shed is 210 ft².

7 0

3 years ago

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Solve b + c = 10/a for a

stiv31 [10]

B + c = 10/a
10/(b+c) = a

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3 years ago