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nikdorinn [45]
3 years ago
14

What is the perimeter of a rhombus whose diagonals measure 42cm and 56cm?

Mathematics
2 answers:
IrinaK [193]3 years ago
4 0

Answer:

1176

Step-by-step explanation:

=a half the product of its diagonals

=1/2(42x56)

=1176

Trava [24]3 years ago
3 0

Answer:

676

Step-by-step explanation:

d1×d2/2

42×56/2

1352/2=676

please check it by doing again

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I am completely lost and I need help to understand
garik1379 [7]
I think your answer is gonna be 20 


3 0
3 years ago
Help me plz i dont understand how t=40​
timama [110]

Answer:

t=40

Step-by-step explanation:

The sum of all angles in a triangle will always equal 180°. This means that:

(2t-42)+(4t-49)+(2t-49) = 180°

Let's solve this equation!

(2t-42)+(4t-49)+(2t-49) = 180

First we simplify what's on the left side:

2t-42+4t-49+2t-49 = 180

2t+4t+2t-42-49-49 = 180

8t-140 = 180

*Add 140 to both sides

8t = 180+140

8t = 320

Divide both sides by 8 to know what t means:

t = 320/8

t = 40

4 0
3 years ago
Geometry 10 Unit 7 Circles Test Question 16
Sergio039 [100]
X is 15



8x - 10 + 6x + 10x + 10 = 360 \\ 8x + 6x + 10x = 10 - 10 + 360 \\ 24x = 360
x = \frac{360}{24 } = 15

good luck
4 0
4 years ago
The graph of f(x) = x2 has been shifted into the form f(x) = (x − h)2 + k: a parabola with a vertex of 3, 3 What is the value of
KATRIN_1 [288]
If we write y=f(x)=(x-h)²+k, then y-k=(x-h)². This is vertex form where the vertex is (h,k)=(3,3) so h and k are both 3. We can see this if we put x=3 in the shifted function. This is a minimum point for the function because for every other x f(x) is greater then 3. The minimum point is the vertex.
3 0
3 years ago
When you divide 50 by 5 you get a whole number is this number even or odd​
Paul [167]

Answer:

Even [ 10 is even ] ( 50 ÷ 5 = 10 )

8 0
3 years ago
Read 2 more answers
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