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Pie
3 years ago
6

What is the value of the expression 8 1/2-2+43/4 Please hurry

Mathematics
1 answer:
Phantasy [73]3 years ago
3 0

Answer:

8\frac{1}{2}-2+\frac{43}{4}=\\  \\=\frac{17}{2}-\frac{8}{4}+\frac{43}{4}\\   \\=\frac{34}{4}-\frac{8}{4}+\frac{43}{4}\\\\=\frac{69}{4}\\ \\\ =17\frac{1}{4}

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Factorise fully : 6x²-11x-10 ​
steposvetlana [31]

Answer:

After factorization we got,

(6x + 5)(x  - 2)

Step-by-step explanation:

here's the solution: -

=》

6 {x}^{2}  - 7x - 10

=》

6 {x}^{2}  - 12x + 5x - 10

=》

6x(x - 2) + 5(x - 2)

=》

(6x + 5)(x - 2)

7 0
3 years ago
Find the area of a rhombus with side length 6 and an interior angle with measure $120^\circ$.
Serhud [2]

Answer:

The area of a rhombus is 18\sqrt{3} square units.

Step-by-step explanation:

Side length of rhombus = 6 units.

Interior angle of rhombus = 120°

another Interior angle of rhombus = 180°-120° = 60°.

Draw an altitude.

In a right angled triangle

\sin \theta=\frac{opposite}{hypotenuse}

\sin (60)=\frac{h}{6}

\frac{\sqrt{3}}{2}=\frac{h}{6}

Multiply both sides by 6.

3\sqrt{3}=h

The height of the rhombus is 3\sqrt{3}.

Area of a rhombus is

Area=base\times height

Area=6\times 3\sqrt{3}

Area=18\sqrt{3}

Therefore, the area of a rhombus is 18\sqrt{3} square units.

8 0
2 years ago
Read 2 more answers
Help answer these 2 questions please!!! They are Inequality Sentences....
bearhunter [10]

Answer:

n divided by 12 < 1

9 < n - 3

Step-by-step explanation:

for the second equation the inequality symbol is the one with the line under it. my computer doesn't have that sorry

3 0
3 years ago
19
Taya2010 [7]

The measure of each angles  are m∠F = 46°, m∠D = 32°, m∠E = 102°.

<h3>What is angle?</h3>

An angle in plane geometry is a shape created by two rays or lines that have a common endpoint. The Latin word "angulus," which means "corner," is where the word "angle" comes from. The common endpoint of two rays is known as the vertex, and the two rays are known as sides of an angle.

The angle that lies in the plane need not be in Euclidean space. Angles are referred to as dihedral angles if they are produced by the intersection of two planes in a space other than Euclidean. The symbol "" is used to represent an angle.

We have given that Δ DEF has

m∠D = m∠F - 14

And

m∠E = 10 + 2(m∠F)

We know that that sum of all angels in a triangle is 180°, So

m∠D + m∠E  +  m∠F = 180°

Substituting the values we get

(m∠F - 14) + (10 + 2(m∠F)) + m∠F = 180°

m∠F - 14 + 10 + 2m∠F +m∠F

4(m∠F) - 4 = 180

4(m∠F) = 180 + 4

4(m∠F)  = 184

(m∠F)  = 46°

m∠D = 46° - 14

m∠D = 32°

m∠E = 10 + 2(m∠F)

m∠E = 10 + 2( 46°)

m∠E = 10 + 92°

m∠E = 102°

Learn more about angle

brainly.com/question/25716982

#SPJ9

3 0
1 year ago
A count went up from 450 to 600. What was the approximate percent increase
hram777 [196]

Answer:

33.33%

Step-by-step explanation:

do 600 minus 450 to find the increase

then 150/450 u have to simplify them

which equals to 1/3

1/3 = ?/100

100 times 1 divided by 3

4 0
3 years ago
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