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yarga [219]
3 years ago
12

Translate : 5 more than a number squared (variable expression)

Mathematics
1 answer:
ohaa [14]3 years ago
4 0

Answer:

5+x^2

Step-by-step explanation:

five more (5+) than a number squared (x^2)

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Use the substitution method to solve.<br><br> y=5−3x<br> 5x−4y=−3
Vadim26 [7]
Well just substitute y (the first equation) into the second equation.
So
5x-4(5-3x)=-3
Then just solve the equation from there.
5x-20+12x=-3
17x=17
x=1
and if you need y, y=2
6 0
3 years ago
-4x-10x simplify the expression
n200080 [17]

Answer:

= -14x

Step-by-step explanation:

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4 0
3 years ago
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You bought 0.40 lb of spinach for $2.38. how much did the spinach cost per pound?δz
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What is 5x÷6=20<br> Pls help I can't figure it out
grin007 [14]

Answer:

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Find sin(a+B)
diamong [38]

Answer:

Cos A=5/13

we have

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sin²A=1-25/169

sin²A=144/169

Sin A=\sqrt{144/169}=12/13

again

Tan B=4/3

P/b=4/3

p=4

b=3

h=\sqrt{3²+4²}=5

Now

Sin B=p/h=4/5

in IV quadrant sin angle is negative so

Sin B=-4/5

CosB=b/h=3/5

Now

<u>S</u><u>i</u><u>n</u><u>(</u><u>A</u><u>+</u><u>B</u><u>)</u><u>:</u><u>s</u><u>i</u><u>n</u><u>A</u><u>c</u><u>o</u><u>s</u><u>B</u><u>+</u><u>C</u><u>o</u><u>s</u><u>A</u><u>s</u><u>i</u><u>n</u><u>B</u>

<u>n</u><u>o</u><u>w</u><u> </u>

<u>substitute</u><u> </u><u>value</u>

<u>Sin(A+B):</u>12/13*3/5+5/13*(-4/5)=36/65-4/13

<u>=</u><u>1</u><u>6</u><u>/</u><u>6</u><u>5</u><u> </u><u>i</u><u>s</u><u> </u><u>a</u><u> </u><u>required</u><u> </u><u>answer</u>

6 0
3 years ago
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