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balu736 [363]
3 years ago
13

Determine the missing angle in the picture below.

Mathematics
2 answers:
baherus [9]3 years ago
8 0

Answer:

Step-by-step explanation:

take x degree as reference angle

using cos rule

cos x=adjacent/hypotenuse

cos x=14.3/19

cos x=0.75

x=cos 41

x= 41 degree

rusak2 [61]3 years ago
3 0

Answer:

x =41.18114952

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

We know the hypotenuse and adjacent sides

cos theta = adjacent / hypotenuse

cos x  = 14.3/19

taking the inverse cos of each side

cos^-1 (cos x) = cos ^-1 ( 14.3/19)

x =41.18114952

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karen wants to find the area of the isosceles triangle ABC. she knows that the base of the triangle (side CB) is equal to 8 squa
S_A_V [24]

Answer:

16 squares

Step-by-step explanation:

The area of an isosceles is \frac{bh}{2}

8 \cdot 4 = 32\\32 \div 2 = 16

Hope this helped!

5 0
2 years ago
Read 2 more answers
Three sodas and four hotdogs costs $15. Two sodas and a hotdog costs $5. How much does seven hotdogs cost?
KengaRu [80]

Answer:

$26.25

Step-by-step explanation:

I'm not completely sure if I did this right because I haven't used this in a while, but let's say sodas are x and hot dogs are y. The first equation would be  3x+4y=15 and in order to solve for x or y you have isolate them to seperate sides because if there is not letter on the other side, it will just end up being zero... if that makes sense. subtract 3x so the equation is now 4y=15-3x and divide everything by 4, to make the equation y=3.75-3/4x. Do the same thing but subracting the 4y and dividing by 3 to get the x value. Now we're left with y=-3/4+3.75 and x=5-4/3y (or x=5-1 1/3y). remember that x=sodas and y=hotdogs. The equation we need to create has seven hot dogs and no sodas, so we simply need to take the equation for y and substitute y for 7 because we have 7 hot dogs and y is the symbol used for hot dogs. This equation would now be 7(-3/4x+3.75) because hotdog=y=-3/4x+3.75, so hotdog=-3/4+3.75 and we have 7 hot dogs so you just multiply that by 7

7 0
2 years ago
I forgot to bring pen and paper lol<br> If u click there will be pic ;)
creativ13 [48]

Answer:

99,117

Step-by-step explanation:

1) Use the partial sum method.

1 8 4 9 2

+ 8 0 6 2 5

9 0 0 0 0 (10000+80000)

8 0 0 0 (8000+0)

1 0 0 0 (400+600)

1 1 0 (90+20)

7 (2+5)

----------------------------------

9 9 1 1 7

6 0
2 years ago
Read 2 more answers
Given that point U is the circumcenter of , which segments are congruent?
aleksklad [387]
How are we supposed to answer that question. When we can't see the segments?
7 0
3 years ago
The regular price of a watch is $32.25. During a sale, the watch was marked 16% off. What was the price of the watch during the
Serga [27]

Answer:

$ 27.09

Step-by-step explanation:

Given,

The regular price of the watch = $ 32.25,

The marked off percentage or discount percentage, in the sale = 16%,

So, the amount of marked off = 16% of regular price

= 16% of 32.25

= 0.16 × 32.25

= $ 5.16

Hence, the the price of the watch during the sale = Regular price - marked off

= $ 32.25 - $ 5.16

= $ 27.09

Last option is correct.

6 0
3 years ago
Read 2 more answers
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