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OLEGan [10]
2 years ago
8

Armstrong High School decided to purchase 30 lab coats. One lab coat regularly costs $18.50. If a 15% discount is given on the t

otal purchase, how much will the lab coats cost?
Mathematics
1 answer:
KATRIN_1 [288]2 years ago
5 0

Answer:

hahahhahhahahahhahaahshshhshf hffhfh hfhfhh hfhfhfhfhffh

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Find the value of x.
son4ous [18]

Answer:

18.0

Step-by-step explanation:

==>Given:

Triangle with sides, 16, 30, and x, and a measure of an angle corresponding to x = 30°

==>Required:

Value of x to the nearest tenth

==>Solution:

Using the Cosine rule: c² = a² + b² - 2abcos(C)

Let c = x,

a = 16

b = 30

C = 30°

Thus,

c² = 16² + 30² - 2*16*30*cos 30°

c² = 256 + 900 - 960 * 0.8660

c² = 1,156 - 831.36

c² = 324.64

c = √324.64

c = 18.017769

x ≈ 18.0 (rounded to nearest tenth)

8 0
3 years ago
Is v = 12 a solution to the inequality below?<br> V&gt; 7
KengaRu [80]

Answer: Yes

Step-by-step explanation: If V=12

Then we plug in for the inequality and get 12>7

7 0
3 years ago
Help me please !!!!
fiasKO [112]

Answer:

BC = 10

Step-by-step explanation:

BC = BD - CD

BC = 14 - 4

BC = 10

6 0
3 years ago
I don’t really get this question can someone help me out
Inessa [10]

angles EFH and GFH are congruents

for the second equivalence criterion  two triangles are equivalents if they have  respectively  2 angles and 1 side congruents

the two triangles have congruents the angle right angle (HGF and HEF) and the 55 degrees angles (EFH and GFH); then they have in common the HF side.

so the triangles are congruent and so all the sides are respectively congruent,for example EH with HG:

EH=HG

s+36=7s

s+36-7s=0

s-7s=-36

-6s=-36

6s=36

s=6

<em>sorry for my english</em>

5 0
3 years ago
Find all natural values of x such that x/8 is a proper fraction, and x/4 is an improper fraction.
Roman55 [17]

Answer:

5, 6 and 7.

Step-by-step explanation:

5/8 is proper  while 5/4 is improper

6/8 is proper while 6/4 is improper  

7/8 is proper while 7/4 is improper

5 0
3 years ago
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