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Afina-wow [57]
3 years ago
6

Write an algebraic expression that models the situation “the piggy bank contained $25, and $1.50 is added each day.” Use d to re

present the number of days
a) 25d+1.5

b) 25+1.5d

c) 25d+1.5d

d) 25+(1.5)(7)d
Mathematics
1 answer:
Kryger [21]3 years ago
3 0

the answer is b because the piggy bank originally contained $25 and the person adds $1.50 per day.. so: 25+1.5d

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In a school 2/3 parts of the total numbers of students. 3/10 parts are between 8 to 12 years and the remaining are above 12 year
ANEK [815]

3/10

As you know the answer already I don't think you need any further explanation :)

5 0
3 years ago
Mrs. Bautista invested Php2700.00 part at 8% and the rest at 11% .How musch did she invest at each rate if her total annual inco
Margarita [4]

Answer:

The answer to the question is

She invested

Php2700.00 at 8 % and

Php 20,400.00 at 11 %

Step-by-step explanation:

To solve the question we note that

Simple interest is given by \frac{P*R*T}{100} where

P= Principal, R = Rate and T = Time

If we call the first part P₁, T₁,  and R₁ and the second part

P₂, T₂,  and R₂

Then {P_1*(1+R_1*T_1}) +{P_*(1+R_2*T_2})  = 2460.00

= 2700×0.08×1 + P₂×0.11×1 = 2460  which gives

2244÷0.11 = P₂ or P₂ = Php 20,400.00

That is she invested

Php2700.00 at 8 % and

Php 20,400.00 at 11 %

5 0
3 years ago
What is the answer to the equation?
s344n2d4d5 [400]
Y=-3x+5
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5 0
2 years ago
Anyone please help and explain !! thanks
Serhud [2]
AP and BQ are medians of the triangle ABC and K is the centroid of the triangle.
One of the properties of  the medians is that the point of intersection divides the median in the ratio 2:1

So BK = 2 KQ  therefore 

15 = 2 * KQ 
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8 0
3 years ago
A person standing close to the edge on top of a 72-foot building throws a ball vertically upward. The quadratic function h(t)=−1
aleksklad [387]

The quadratic function h(t) = −16t² + 84t + 72, shows that the person throws the ball from on top of a 72 feet building at a velocity of 84 feet/second.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

The quadratic function h(t) = −16t² + 84t + 72, shows that the person throws the ball from on top of a 72 feet building at a velocity of 84 feet/second.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

7 0
2 years ago
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