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jolli1 [7]
3 years ago
8

Answer and explanation.

Mathematics
2 answers:
enot [183]3 years ago
8 0

Answer:

a)

4x

b)

4x + x = t

c)

4x + x = t \\ 4(11) + 11 = t \\ 44 + 11 = t \\ 55 = t \\ t = 55

d)

4x + x = 40 \\ 5x = 40 \\ x =  \frac{40}{5}  \\ x = 8

Goryan [66]3 years ago
6 0

Answer:

A:Write an expression for Polly's age

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which of the following statement best demonstrates an attitude of self efficacy when it comes to math?
Burka [1]

<span>a I don't let calculus get me depressed because I'll never use it after I graduate. </span><span>

<span>b I had problems with geometry, so I'll have to work a lot harder in trigonometry. </span>

<span>c I don't need to worry about fractions and percentages because I have a calculator. </span>

<span>d I wasn't very good at multiplication and division, so there's no way I'll understand algebra. </span></span>

 

<span>I had problems with geometry, so I'll have to work a lot harder in trigonometry. demonstrates an attitude of self efficacy when it comes to math because he knows that he struggled in geometry so he need to exert more effort in higher math like trigonometry.</span>

<span> </span>

5 0
3 years ago
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Si Jose recarga su teléfono con ₡6000 y realiza 5 llamadas de 4 minutos, 3 llamadas de 6 minutos y manda 20 mensajes ¿cuanta rec
xenn [34]

Answer:

3220

Step-by-step explanation:

5x4=20

3x6=18

20+18=38

1=60

38x60=2280

20x25=500

2280+500=2780

6000-2780=3220

8 0
4 years ago
What does the scale factor tell you about corresponding side lengths
andrew11 [14]

Answer:

Step-by-step explanation:

The scale factor, or linear scale factor, is the ratio of two corresponding side lengths of similar figures. Similar figures have the same shape but are different sizes. The scale factor is used to solve geometric problems. You can use the scale factor to find the missing side lengths of a figure.

3 0
4 years ago
LET x=0 x-2y=4 what is the value of y?
Amanda [17]

Answer:

When x = 0, then y = -2

When y = 0, then x = 4

Step-by-step explanation:

We are given with the following equation;

x - 2y = 4

Now, we have to find the respective values of x and y for each value of x = 0 and y = 0.

Firstly, putting the value of x = 0;

x - 2y = 4

0 - 2y = 4

-2y = 4

y = \frac{4}{-2}  = -2

This means that when x = 0, then y = -2.

Similarly, putting the value of y = 0;

x - 2y = 4

x-(2\times 0)=4

x - 0 = 4

x = 4

This means that when y = 0, then x = 4.

4 0
3 years ago
$45.00 iPod shuffle 1GB
ValentinkaMS [17]

Answer:

$44.55

Step-by-step explanation:

10% of 45 is 4.5

45 * 0.1 = 4.5

So subtract 4.5 from 45

45 - 4.5 = 40.5

Now get 10% of 40.5

40.5 * 0.1 = 4.05

Add 4.05 to 40.5

4.05 + 40.5 = 44.55

7 0
3 years ago
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