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alekssr [168]
2 years ago
13

Please help with this one taking a test

Mathematics
1 answer:
34kurt2 years ago
3 0

Answer:

it's 40

Step-by-step explanation:

for them to be same, they have all the same angles their just a different size

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1/5x+y=2/5<br> 1/0x+1/3y=1/2
kkurt [141]
A) 
<span>|x + y = 5 </span>
<span>|2x - y = 7; </span>
<span>b) </span>
<span>|2x + y = 5 </span>
<span>|x - y = 2 </span>
<span>c) </span>
<span>|3x + y = 6 </span>
<span>|4x - 3y = -5 </span>
<span>d) </span>
<span>|1/(x - 1) = y - 3 </span>
<span>|x - y = -2 </span>
<span>e) </span>
<span>|(9x + 4y)/3 - (5x - 11)/2 = 13 - y </span>
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4 0
3 years ago
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What is the scale factor when a larger image Q has an area of 36 square units and the smaller version has an area of 9 square un
schepotkina [342]

Answer:

6

Step-by-step explanation:

scale factor means the amount of times you need to multiply

so,

36/9

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5 0
2 years ago
PLEASE ANSWERRRR!!!!!!!!
kow [346]

Answer:

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7 0
2 years ago
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Multiply and simplify the following expression -4√15 x(-√3)
larisa [96]

Answer:

\large\boxed{12\sqrt5}

Step-by-step explanation:

\text{Use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\-----------------\\\\-4\sqrt{15}\cdot\left(-\sqrt3\right)=4\sqrt{(15)(3)}=4\sqrt{5\cdot3\cdot3}=4\sqrt5\cdot\sqrt9\\\\=4\sqrt5\cdot3=12\sqrt5

6 0
3 years ago
Let $\angle D$ be an acute angle such that $\tan D=0.72$ . Use a calculator to approximate the measure of $\angle D$ to the near
pentagon [3]

Answer:

D = 35.8 degrees

Step-by-step explanation:

In this question, we are asked to use calculator to estimate the approximate measure of angle D given its tan value.

From the question, what we have is;

tan D = 0.72

Now to calculate the acute angle D, we will divide through by tan

hence,

D = tan^-1 0.72

or more simply tan^-1 can be called arc tan

Thus, D = arc tan 0.72

D = 35.75

D = 35.8 to the nearest tenth of a degree

4 0
3 years ago
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