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3 years ago

Help me with please i will give a brainliest for a good answer

Mathematics

2 answers:

viva [34]3 years ago

6 0

4(2) - 5 = 3
4(5) - 5 = 15
4(8) - 5 = 27
4(9) - 5 = 31

so the answers are 3, 15, 27, and 31

vodomira [7]3 years ago

3 0

It is very easy you need to multiply by 4 then subtract 5 by let me help you with the first one 2*4=8-5=3

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For rectangle ABCD, find m∠ADB.

chubhunter [2.5K]

Answer:

we know all angles are 90° in the rectangle

therefore, angle d = bdc+bda = 90

=> 31+bda = 90

=>angle bda= 59

3 0

3 years ago

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Martin sorted the bolts in his toolbox by size. They measured 3/8 inch, 1/2 inch,5/8 inch, 7/8 inch, and 1 1/4 inches . What is

gizmo_the_mogwai [7]

Answer:

Length between the longest bolt and the shortest bolt is:

2.375 inch

If we laid one of each size bolt end to end , then the length of row of bolts is:

5.125 inch

Step-by-step explanation:

We are given that:

Martin sorted the bolts in his toolbox by size.

They measured 3/8 inch, 1/2 inch,5/8 inch, 7/8 inch, and 1 1/4 inches

longest bolt= 11/4 inches shortest bolt=3/8 inch

Difference between longest and shortest bolt= $\dfrac{11}{4} - \dfrac{3}{8}\\ \\=\dfrac{22-3}{8}\\ \\=\dfrac{19}{8}\\ \\= 2.375$

Now, if we lay one of each size bolt end to end then, length of row will be:

$\dfrac{3}{8}+\dfrac{1}{2}+\dfrac{5}{8}+\dfrac{7}{8}+\dfrac{11}{4}$

=41/8

= 5.125 inches

5 0

3 years ago

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Explain and Answer!!!!

Gnom [1K]

Divide the arrow into upper triangle and lower rectangle

area of triangle :-

$\frac{1}{2} \times base \times height$

$\frac{1}{2} \times 20 \times (15 + 8 + 8) \\ \frac{1}{2} \times 20 \times 31 = 310$

area of rectangle :-

$length \: \times \: width \\ 15 \times 20 = 300$

add both the area :-

area of triangle+ area of rectangle = area of arrow

310 + 300 = 610 cm²

4 0

2 years ago

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Any number that can be written as a ratio of two integers

adoni [48]

Answer:

Rational number

Step-by-step explanation:

Any number that can be written as a ratio of two integers is a rational number.

In the question, you have the keyword 'ratio', meaning a comparison between two numbers. For example 1.5 can be expressed as the ratio between 3 and 2 (3/2), as a fraction.

<u>When a number cannot be expressed as a fraction, it's called an irrational </u>number. <u> The most famous irrational number of all would be pi (π). </u> You cannot express pi in a ratio between numbers, because it's too complicated, it's basically an infinite number without any periodicity.

8 0

3 years ago

Please answer!!! I’ll make brainliest

gizmo_the_mogwai [7]

Answer: 30

Step-by-step explanation:

1. Use the Pythagorean theorem ( $A^{2} +B^{2} = C^{2}$ )

$18^{2} +24^{2} =C^{2} \\324 + 576 = C^{2} \\900 = C^{2} \\\sqrt{900} = \sqrt{C^{2} } \\30 = C\\$

8 0

3 years ago

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