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viktelen [127]
2 years ago
13

Sorry for asking a lot of questions, but this quiz is due in 10 minutes and I forgot a lot of things! Helps appreciated!

Mathematics
1 answer:
oee [108]2 years ago
4 0

Answer:

-16

Step-by-step explanation:

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15
Evgesh-ka [11]

Answer:

Height = 14.4

Step-by-step explanation:

The diagonals meet at right angles. Interesting property.

The hypotenuse is the side of the rhombus = 15 cm

One of the sides of the small triangles created by the intersection of the diagonals = 24/2 = 12

You can find the other side of the the triangle by using the Pythagorean Theorem

a^2 + b^2 = c^2

c = 15

a = 12

b = ?

12^2 + b^2 = 15^2

144 + b^2 = 225

b^2 = 225 - 144

b^2 = 81

b = 9

The area of this right angle = 9 * 12/2 = 54

There are 4 of them so 4 * 54 = 216

That's the area of the rhombus.

The h= Area / b

b = 15

h = 216/15

h = 14.4

8 0
2 years ago
Find the equation of a line through B(5,2) which is perpendicular to the line 3x+5=0. Hence find the coordinate of the foot of t
Oduvanchick [21]

Answer:

y=2, the equation of  a line which is perpendicular to the line 3x+5=0

A(-5/3,2)  the  foot of the perpendicular from B to the line

Step-by-step explanation:

d1 : 3x+5=0, so 3x=-5, x=-5/3

y=2, the equation of  a line which is perpendicular to the line 3x+5=0

A(-5/3,2)  the  foot of the perpendicular from B to the line

3 0
3 years ago
3xy + x = -29 Literal Equations! Solve for X. Show solution please! Thanks in advance!
frosja888 [35]
3xy+x=-29
-3xy -3xy
x= -3xy-29
4 0
3 years ago
Which has more mass the apple or the banana how do you know
valentinak56 [21]
A banana has more mass than a apple because it carries more molecules than a apple
3 0
3 years ago
Help me find the missing length pleaseeee
Olin [163]

27 / 3 =9

54 / 6 = 9

so 18 / 9 = 2

Answer: Missing side length AB = 2

5 0
3 years ago
Read 2 more answers
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