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3 years ago

What is the answer to this equation: 40+40-20x0+3+125=

Mathematics

2 answers:

dedylja [7]3 years ago

7 0

Answer:

208

Step-by-step explanation:

according to DMAS rule,first of all we need to solve dividing then multiplication then addition and subtraction at last.so according to this we multiply 20 and 0 which gives 0 as and and we do the addition of remaining numbers.

MrRa [10]3 years ago

3 0

Answer:

208

Step-by-step explanation:

20 × 0 = 0

40 + 40 = 80

125 + 3 = 128

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For which color is the difference between the theorectical probability and experimental probability greatest?

Elan Coil [88]

Answer:

The answer is D. Green; The experimental probability is 22.7%, and the theoretical probability is 15%.

5 0

3 years ago

Type the correct answer in each box. If necessary, round your answers to the nearest hundredth.

disa [49]

Answer:

Perimeter = 32.44 units

Area = 30 square units

Step-by-step explanation:

Given

Vertices

A(2,8), B(16,2) and C(6,2)

WE have to determine the lengths of all sides before finding the perimeter and area.

The formula of modulus is:

$d = \sqrt{(x_{2}- x_{1})^{2} +(y_{2}-y_{1})^{2}}\\AB=\sqrt{(16-2)^{2} +(2-8)^{2}}\\=\sqrt{(14)^{2} +(-6)^{2}}\\=\sqrt{196+36}\\ =\sqrt{232}\\=15.23\\\\BC=\sqrt{(6-16)^{2} +(2-2)^{2}}\\=\sqrt{(-10)^{2} +(0)^{2}}\\=\sqrt{100+0}\\ =\sqrt{100}\\=10\\\\AC=\sqrt{(6-2)^{2} +(2-8)^{2}}\\=\sqrt{(4)^{2} +(-6)^{2}}\\=\sqrt{16+36}\\ =\sqrt{52}\\=7.21\\\\$

So the perimeter is:

$Perimeter=AB+BC+AC\\=15.23+10+7.21\\=32.44\ units$

Using hero's formula,

$s=\frac{perimeter}{2}\\s=\frac{32.44}{2}\\ s=16.22\\Area=\sqrt{s(s-a)(s-b)(s-c)}\\=\sqrt{16.22(16.22-15.23)(16.22-10)(16.22-7.21)}\\=\sqrt{(16.22)(0.99)(6.22)(9.01)}\\=\sqrt{899.91}\\=29.99\ square\ units$

Rounding off will give us 30 square units ..

4 0

3 years ago

When reflecting an object

zubka84 [21]

Answer:

A reflection is a transformation representing a flip of a figure. Figures may be reflected in a point, a line, or a plane. When reflecting a figure in a line or in a point, the image is congruent to the preimage. A reflection maps every point of a figure to an image across a fixed line.

Step-by-step explanation:

3 0

4 years ago

4x+9y=69<br> X=69-8y<br> What is the solution of the system?

fomenos

(-3,9) The x axis is -3 and the y axis is 9

4 0

4 years ago

Someone please help me. ASAP

Svetllana [295]

Answer:

y=2

Step-by-step explanation:

1/3 (y+7) = 3(y-1)

Multiply each side by 3 to get rid of the fraction

3*1/3 (y+7) = 3*3(y-1)

y+7 = 9(y-1)

Distribute

y+7 = 9y - 9

Subtract y from each side

y+7-y = 9y-y-9

7 = 8y -9

Add 9 to each side

7+9 = 8y-9+9

16 = 8y

Divide each side by8

16/8 = 8y/8

2 = y

5 0

3 years ago