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aalyn [17]
3 years ago
5

Tell me what should I do​

Mathematics
1 answer:
deff fn [24]3 years ago
4 0

Answer:

Wait I don't what to say where is the question?

Step-by-step explanation:

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Can someone put a website to help me understand this?
Alenkinab [10]

Answer:

67

Step-by-step explanation:

Since the diagonals in a rectangle are congruent, AC=BD and

7x+18=10x-3

We need to separate x -- to do that, we can first subtract 7x from both sides, resulting in

18=3x-3

Next, add 3 to both sides to get

21=3x

Divide both sides by 3 to get

x=7

Then, we just plug x into 10x-3 to get BD = 7*10-3 = 67

7 0
2 years ago
A rectangle has a length of twenty one cm and a diagonal of twenty nine cm. How wide is the rectangle?
GuDViN [60]

The width of the rectangle become 20 cm.

According to the statement

we have to find the width of the rectangle.

So, For this purpose, we know that the

Rectangle is a parallelogram all of whose angles are right angles.

According to the information:

A rectangle has a length of 21 cm and a diagonal of 29 cm.

Here we use the this formula

d² = l² + w²

So, Substitute the values

29² = 21² + w²

841 = 441 + w²

Now, solve it then

w² = 400

Solve the square root then value becomes

w = 20 cm.

The width of the rectangle become 20 cm.

So, The width of the rectangle become 20 cm.

Learn more about Rectangle here

brainly.com/question/19819849

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3 0
1 year ago
Is the equation = 0.25 + 0.5(– 2) linear or nonlinear?
ollegr [7]

Answer:

-0.75 linear

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Don't know that answer
alexdok [17]
The answer is C. Area
3 0
3 years ago
Read 2 more answers
(06.05) Neil is analyzing a quadratic function f(x) and a linear function g(x). Will they intersect? graph of the function f of
schepotkina [342]
Given the stated equation we know that that quadratic formula has 2 as its degree. This meats it has 2 roots. A linear equation has a degree of 1. A linear equation has 1 root. To know if they intersect, the must have one root in common. To know this, solve the two equation simultaneously. If they result to an answer then they intersect. 
5 0
3 years ago
Read 2 more answers
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