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Artyom0805 [142]
4 years ago
13

Please help find missing angle

Mathematics
2 answers:
HACTEHA [7]4 years ago
7 0
A=1, c=25/7(3.571429) b=?
c=hypotenuse
a=side

In this case, we are finding for a SIDE and not the HYPOTENUSE.

Using Pythagoras' theorem
side²= hyp²–side²
b²= 3.57²–1²
b²= 12.7–1
b²= 11.7
b²= √11.7
b²= 3.4(correct to 1 dp)

Therefore, b= 3.4

HOPE THIS HELPS.... IF NOT I'M SO SORRY :'(
IF IT HELPS YOU PLEASE THANK ME AND GIVE ME BRAINLIEST :)
motikmotik4 years ago
5 0

Answer:

\frac{24}{7}=b

Step-by-step explanation:

We are given a right angled triangle.

Hypotenuse = c = \frac{25}{7}

Base = a = 1

Now we are supposed to find the perpendicular i.e. b

So, we will use Pythagoras Theorem  :

Hypotenuse^2=Perpendicular^2+Base^2

c^2=b^2+a^2

(\frac{25}{7})^2=b^2+1^2

\frac{625}{49}=b^2+1

\sqrt{\frac{625}{49}-1}=b

\frac{24}{7}=b

Hence the missing length is \frac{24}{7}.

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The same Honey is sold in two different size jars. Large jar= 540g for £4.10 Small jar= 360g for £2.81. By considering the amoun
Ray Of Light [21]

Answer:

From our calculations the large jar is the best value for money because a penny buys more honey

Step-by-step explanation:

<h2>In this problem we are expected to determine which purchase of honey is the cheapest ? large jar or small jar ?.</h2><h2 />

We will determine which has the best value for money using the quantity a pound can purchase.  

firstly for the large jar.

if £4.10 will purchase 540g of honey then,

   £1.00 will purchase xg

cross multiplying to find x will have

x=  \frac{1.00*540g}{4.10}

x= 131.7grams

Hence for the large jar a penny would buy 131.7g of honey

secondly for the small jar

if £2.81 will purchase 360g of honey then,

   £1.00 will purchase xg

cross multiplying to find x will have

x=\frac{1.00*360g}{2.81}\\x= 128.1gram

Hence for the small jar a penny would buy 128.1g of honey

4 0
4 years ago
the length of a rectangular sing is 5 time its width. if the sign perimeter is 24 inches. what is the sign area ?
kumpel [21]

Answer:

20 in²

Step-by-step explanation:

Assuming that the width of the sign is x, then from the question, we're told that the length is 5 times it's width, so

b = x inches

l = 5x inches

Again, we're told that the perimeter of the sign is 24 inches, and we know already that the perimeter of a rectangle is given as

Perimeter = 2(l + b), substituting this, we have

24 = 2(5x + x)

24 = 10x + 2x

24 = 12x

x = 24 / 12

x = 2 inches.

Since x is the width of the rectangle, and it's 2 inches, we use it to find the length of the sign.

l = 5 * 2

l = 10 inches.

Then, we are asked to find the area of the sign. Area of a rectangle is given as

A = l * b, so if we substitute, we have

Area = 10 * 2

Area = 20 square inches

8 0
3 years ago
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valentinak56 [21]

Answer:

inverse={(2,1), (5,3), (8,5)(10,6}

Step-by-step explanation:

just interchange the x and y components

4 0
3 years ago
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Vlad [161]

Answer:

the answer is D because it 27 i not a perfect square 25 and 36 were the correct numbers to chose and 25 was correct to evaluate  



3 0
3 years ago
Which fraction has the same value as 0.6
Zinaida [17]

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4 0
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