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4 years ago

9

What is the first step in solving the inequality 2x + 3 ≥ 17?Divide the left side by 2.Subtract 3 from both sides.Change the dir

ection of the inequality.Change the inequality to >.

1 answer:

Wewaii [24]4 years ago

4 0

Answer:

Subtract 3 from both sides.

Step-by-step explanation:

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Look at the figure. How can you prove ∆ABD and ∆ACD are congruent?

Levart [38]

Answer:

Options (C)

Step-by-step explanation:

For the congruence of the triangles ΔADB and ΔADC,

Statements Reasons

1). AB ≅ AC 1). Given

2). AD ≅ AD 2). Reflexive property

3). ∠BAD ≅ ∠CAD 3). Given

4). ΔABD ≅ ΔCAD 4). SAS postulate

Therefore, Options (C) will be the correct option.

7 0

3 years ago

Pls help I will mark brainlist if correct !! :))

andreev551 [17]

You add all fruit and times to 3/8 to find strawberries

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3 years ago

A square has a diagonal length of 10 ft. Draw a diagram and determine the perimeter of the square.

denpristay [2]

The perimeter of the square is: $20\sqrt2$ ft

Step-by-step explanation:

The picture is attached with the answer.

the diagonal of a square divides it into two right angled-triangles.

We can use one of the triangle to find the length of side as the diagonal will be the hypotenuse of the triangle

Let a be the side of the square, then according to Pythagoras theorem

$d^2=a^2+a^2\\(10)^2 = 2a^2\\2a^2=100$

Dividing both sides by 2

$\frac{2a^2}{2}=\frac{100}{2}\\a^2=50$

Taking Square root on both sides

$\sqrt{a^2}=\sqrt{50}\\a=\sqrt{25*2}\\a=\sqrt{5^2 * 2}\\a=5\sqrt{2}\ ft$

Now,

$P = 4a\\P = 4 * 5\sqrt{2}\\=20\sqrt{2}\ ft$

Hence,

The perimeter of the square is: $20\sqrt2$ ft

Keywords: Perimeter, Pythagoras Theorem

Learn more about Square at:

#learnwithBrainly

5 0

3 years ago

Explain the difference between proving triangles congruent using the SAS and SSS congruence postulates.

Tju [1.3M]

Answer:

SAS means the share a common side then an angel then another side SSS means all of the sides are equal

7 0

2 years ago

Need help on this guys, help pls.

marusya05 [52]

Answer:

1,740 261

20+3

Final answer 23

Step-by-step explanation:

Sorry If I am wrong.

4 0

3 years ago