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lora16 [44]
3 years ago
8

Can somebody please help we with this math problem

Mathematics
2 answers:
Kaylis [27]3 years ago
7 0

Answer:

A.    48 + 2x = 180

Step-by-step explanation:

This is an isosceles triangle

Therefor the unmarked angle is also xº

The three angles are 48, x and x

The total of the angles in a triangle is 180

48 + x + x = 180

48 + 2x = 180

Olin [163]3 years ago
4 0
I THINK THE CORRECT ANSWER IS A!!!
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Name a perfect square between 60 and 80.
Studentka2010 [4]

Answer:

8*8 = 64

Step-by-step explanation:

PERFECT SQUARE

4 0
3 years ago
Read 2 more answers
Question 2: show working out
kherson [118]
Answer in fraction form is exactly 2/27 
Answer in decimal form is approximately 0.07407

========================================================

Explanation:

4 people play both,9 play flat flute only, 12 play piano only.
So 4+9+12 = 13+12 = 25 people play one instrument only or they play both.

We have 27 people total meaning that 27-25 = 2 play neither instrument.

Divide the values 2 and 27 to get
2/27 = 0.07407
this value is approximate (rounded to five decimal places)

5 0
3 years ago
Besides the 90° angle measure, what are the other two angle measures of a right triangle with side lengths 5, 12, and 13? Round
TEA [102]
In the right triangle, the longest side is the hypotenuse.
Let α be the angle opposite to the side with a length of 12 units, <span>then according to the Law of sines:

</span>\frac{13}{sin90^o}= \frac{12}{sin \alpha }   \ \ \to \ \ sin \alpha = \frac{12 \cdot sin90^o}{13}=  \frac{12*1}{13}  \approx 0.923 \ \ \to \ m\angle  \alpha \approx 67^o

In a triangle, the three interior angles always add to 180° ⇒

third angle = 180 - 90 - 67 = 23°

Answer:
67° and 23°  (to the nearest degree).
4 0
3 years ago
Read 2 more answers
Sandra decided to bake blackberry pies to sell at the county fair. She had $180 in her savings
Hatshy [7]

Answer:

275

Step-by-step explanation:

180-130=50

25*9=225

225+50 = 275

6 0
2 years ago
Use the discriminant of the following quadratic equation to state the number and type of solutions. 3x^(2)+4x-5=3x+2
krek1111 [17]
3x^(2)+4x-3x-5-2=0
3x^(2)+x-7=0
Discriminat= b^(2)-4ac= 1^(2)-4(3)(-7)= 1-12(-7)=1+84=85
The discrimination is bigger than 0 (delta>0) therefore there are 2 real solutions
4 0
3 years ago
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