2 years ago

Which system of inequalities is shown in the graph?

Mathematics

1 answer:

Marysya12 [62]2 years ago

5 0

Answer:

sry I can't understand how to do this question

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4.8 + 2.2w − 1.4w + 2.4

Lostsunrise [7]

Answer:

7.2 + 0.8w

Step-by-step explanation:

combine like terms. Like terms have same variable with same power.

2.2w and (-1.4w) are like terms & 4.8 and 2.4 are like terms.

4.8 + 2.2w - 1.4w + 2.4 = 4.8 + 2.4 + 2.2w - 1.4w

= 7.2 + 0.8w

5 0

2 years ago

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If the probability of an event is 0.39, what is the probability of its complement?

Igoryamba

Answer:

Step-by-step explanation:

p'=(1-0.39)=0.61

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3 years ago

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Craig made a mobile using geometric shapes including triangles shaped as shown. For what value of X and Y can you use a triangle

PolarNik [594]

Answer:

x = 3

y = 8

Step-by-step explanation:

In the given triangle FGH,

m∠F + m∠G + m∠H = 180° [Triangle sum theorem]

60° + 90° + m∠H = 180°

m∠H = 30°

If the given triangles FGH and TUV are congruent, their corresponding sides will be equal in measure.

m∠F = m∠T

7y + 4 = 60°

7y = 56

y = 8

GH ≅ UV

8x - 12 = 12

8x = 24

x = 3

4 0

2 years ago

Izabella earns $21.24 every 3 weeks. At this rate, how much will she earn in 5 weeks?

likoan [24]

Answer:

$35.40

Step-by-step explanation:

i did the math

7 0

2 years ago

2.What is the solution of the solution of the equation 5^3x=15? Round to the nearest ten thousandth.

sveta [45]

Hmm
remember
$a^c=b$ can translate to $log_a(b)=c$
so

$5^{3x}=15$ can translate to $log_5(15)=3x$
divide both sides by 3
$(1/3)log_5(15)=x$
$log_5(15^{1/3})=x$
use calculator, if you can't use change of base formula to do it
$log_a(b)= \frac{log_c(b)}{log_c(a)}$ so
$log_5(10^{1/3})= \frac{log_{10}(15^{1/3})}{log_{10}(5)}=x$
evaluate using base 10 on your calculator
0.560869=x

8 0

3 years ago