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3 years ago

I need help what does 19 times 29 give me in total

Mathematics

2 answers:

Olin [163]3 years ago

6 0

Answer:

551

Step-by-step explanation:

myrzilka [38]3 years ago

5 0

Answer:

It gives you 551

Hope this helps

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M(3,6) is the midpoint of Rs The coordinates of S are (5,9). What are the coordinates of R? O 17, 12) O (4, 7.5) O (6, 12) O (1,

miss Akunina [59]

Answer:

Step-by-step explanation:

(x+5)/2 = 3

x + 5 = 6

x = 1

(y+9)/2=6

y+9= 12

y = 3

(1, 3)

answer is option 4

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3 years ago

How many solutions do you think the equation -10x+3=5x-27 has? Explain. Then, find the solution(s).

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allochka39001 [22]

Not enough information to solve this problem

8 0

3 years ago

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On Naomi's cell phone plan, the amount she pays each month for international text messages is proportional to the number of inte

Lostsunrise [7]

A) The constant of proportionality in this proportional relationship is $k = \frac{y}{x}$

B) The equation to represent this proportional relationship is y = 0.2x

<h3><u>Solution:</u></h3>

Given that,

The amount Naomi pays each month for international text messages is proportional to the number of international texts she sends that month

Therefore,

This is a direct variation proportion

$\text{ amount Naomi pays each month } \propto \text{ number of international texts she sends that month}$

Let "y" be the amount that Naomi pays each month

Let "x" be the number of international texts she sends that month

Therefore,

$y \propto x$

y = kx -------- eqn 1

Where, "k" is the constant of proportionality

Thus the constant of proportionality in this proportional relationship is:

$k = \frac{y}{x}$

<em><u>Last month, she paid $3.20 for 16 international texts</u></em>

Therefore,

y = 3.20

x = 16

Thus from eqn 1,

$3.20 = k \times 16\\\\k = \frac{3.20}{16}\\\\k = 0.2$

Substitute k = 0.2 in eqn 1

y = 0.2x

The equation would then be y = 0.2x

8 0

3 years ago

Please help me on this question

Alina [70]

Answer:

DE = 13.4 cm (to 1 decimal place)

Step-by-step explanation:

Given: ABCD is a square

BC = AC = 12 cm (opposite sides of a square are congruent)

E is midpoint of BC (given)

BE = EC = 12/2 = 6 cm

CD = AB = 12 cm (opposite sides of a square are congruent)

angle ECD is a right angle (interior angles of a square are 90 deg.)

Consider right triangle ECD

DE = sqrt(EC^2+CD^2) ............. pythagorean theorem

= sqrt(6^2+12^2)

= sqrt ( 36+144 )

= sqrt (180)

= 2 sqrt(45)

= 13.416 (to three dec. places)

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3 years ago

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