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Bas_tet [7]
2 years ago
7

Please help asap! I on;y have 10 mins left!!!

Mathematics
1 answer:
Papessa [141]2 years ago
3 0

Answer:

41 degrees

Step-by-step explanation:

Complementary angles add to 90 degrees

<3 + <4 = 90

<3 + 49 = 90

Subtract 49 from each side

<3 = 90-49

<3 =41

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100 Points! Question Urgent!!!!!!
Ann [662]

Answer:

9

Step-by-step explanation:

<u>→You can use the Pythagorean Theorem to solve this, by plugging in the numbers, like so:</u>

<u />a^2+b^2=c^2\\x^2+(x-3)^2=(x+3)^2

x^2+x^2-6x+9=x^2+6x+9

<u>→Subtract </u>x^2-6x+9<u> from both sides:</u>

x^2 = 12x

<u>→Subtract 12x from both sides:</u>

<u />x^2 -12x=0

<u>→Factor out x:</u>

<u />x(x-12)=0

<u>→Separate, set = to 0, and solve:</u>

<u />x = 0\\x -12=0        →      <u>Add 12 to both sides:</u>        x = 12

→So we have 0 and 12, as our answers. However, we cannot have 0 as a side length, since this would not be possible.

→All we need to do is take 12, and plug it into the equation for the shortest leg.

x - 3=?\\12-3=9

3 0
3 years ago
If ∠1 and ∠2 are complementary and m∠1 = 17º, what is m∠2
Romashka [77]

Answer:

m<2 = 73

Step-by-step explanation:

Since <1 and <2 are complementary (which means that they equal 90), all you have to do is subtract 17 from 90 to find your answer:

90 - 17 = 73

thus, m<2 = 73

8 0
3 years ago
Todd wants to buy a new video game for $43.31. He has $55.50. The sales tax is 8.5% of the total purchase. Does Todd have enough
sammy [17]

Answer:

  yes

Step-by-step explanation:

We can estimate* that the total price including tax of the game will be less than ...

  $43.31 +10% of 43.31 = $43.31 +4.33 = $47.61

Todd easily has enough to pay for the game, including tax.

_____

You can work this more exactly a couple of ways.

  1. Price + tax = 1.085×$43.31 = $46.99 . . . less than Todd's budget

  2. Most Todd can afford: $55.50/1.085 = $51.15 . . . more than the game price

_____

* For estimating purposes, we like to use numbers that are easy to compute with. 10% is one such number, as it only requires moving the decimal point.

7 0
4 years ago
Twelve shirts and three pairs of jeans cost $85.95 . Fifteen shirts and 2 pair of jeans costs $93.55.
Nesterboy [21]

Answer:

12s +3j= 85.95

15s +2j= 93.55

Step-by-step explanation:

First, define the variables:

Let the cost of a shirt be $s and the cost of a pair of jeans be $j.

From the first sentence:

12s +3j= 85.95 -----(1)

From the second sentence:

15s +2j= 93.55 -----(2)

5 0
3 years ago
Identify the equivalent trigonometric values. A sin 17°, cos 17° B cos 29°, sin 61° C sin 78°, cos 102° D cos 83°, cos 7°
xxMikexx [17]
Answer:B cos 29°, sin 61° since,cos(x)=sin(90°-x) or sin(x)=cos(90°-x)
5 0
3 years ago
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