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Marina86 [1]
3 years ago
12

Jackie had a puzzle book that contains a total of 70 puzzles she has completed 2/5 of the puzzles in the book if Jackie complete

s 18 more puzzles what is the total number of puzzles that she will have completed in the book
Mathematics
1 answer:
alexdok [17]3 years ago
5 0

Answer: 46 puzzles  

Step-by-step explanation:

There are 70 puzzles in total in the book.

Jackie has completed / of those puzzles. In whole numbers that is:

= 2 /5 * 70

= 28 puzzles

She then completes 18 more puzzles.

Total that she has completed is:

= 28 + 18

= 46 puzzles  

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Roberto got $30 for his birthday. He decides to save that
shutvik [7]

After 10 weeks, the boys will have same amount in savings.

Step-by-step explanation:

Given,

Roberto already have $30.

Amount saved each week = $5

Let,

x be the number of weeks.

R(x) = 30+5x

Amount saved by Jack each week = $8

J(x) = 8x

For same amount, the functions will be equal.

R(x) = J(x)

30+5x=8x\\30=8x-5x\\30=3x\\3x=30

Dividing both sides by 3

\frac{3x}{3}=\frac{30}{3}\\x=10

After 10 weeks, the boys will have same amount in savings.

Keywords: functions, division

Learn more about functions at:

  • brainly.com/question/1499598
  • brainly.com/question/1502731

#LearnwithBrainly

7 0
3 years ago
Which algebraic expression is a polynomial with a degree of 3? 4x3 – 2y3 + 5y2 – 5y 3y3 – –xy
mash [69]
This is the concept of algebra, given a polynomial with one variable like x and y, the degree is the largest exponent of the variable;
Given the expressions;
4x^3-2y^3+5y^2-5y The polynomial has a degree of 3 (both y and x have an exponent of 3)
3y3--xy=3y^3+xy The polynomial has a degree of 3 also (y has an exponent of 3)
5 0
3 years ago
Read 2 more answers
On a coordinate plane, the orange K is shifted to form the purple K, reflected across the x-axis to form the green k, and rotate
PIT_PIT [208]

Answer:

the green kin quadrant IV

Step-by-step explanation:

i took the quiz and got it right

3 0
2 years ago
What is the difference between slope intercept and point slope form?
antiseptic1488 [7]

Answer:

Step-by-step explanation:

Point slope form and slope-intercept form are both ways of expressing the equation of a straight line. Point slope form emphasizes the slope and ANY point on the line. Slope intercept form just shows the slope and the y-intercept of a line

3 0
2 years ago
Find the area of the triangle belowunits given are cm, cm^2, cm^3
zloy xaker [14]

Answer:

A_T=150cm^2

Explanation: We need to find the area of the triangle, We know that the area of any right triangle is:

A_T=\frac{1}{2}(b\times h)

Therefore in the information given we have the following:

\begin{gathered} h=20\operatorname{cm} \\ b=15\operatorname{cm} \end{gathered}

Therefore the Area of this triangle is as follows:

\begin{gathered} A_T=\frac{1}{2}(b\times h) \\ \therefore\rightarrow \\ A_T=\frac{1}{2}(20cm\times15cm)=\frac{1}{2}(20\times15)cm^2 \\ A_T=\frac{1}{2}(300)cm^2=150cm^2 \\ \therefore\rightarrow \\ A_T=150cm^2 \end{gathered}

Note! Units are centimeter-squared

4 0
1 year ago
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