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miv72 [106K]
3 years ago
14

Evaluate −8 + 10 × 4 ÷ (−2)

Mathematics
2 answers:
Naddika [18.5K]3 years ago
6 0

Answer:

-28

Step-by-step explanation:

well first u gotta use order of operations. So first u would do

10 x 4 which = 40

next u would hafta do 40 / -2 which = -20

and finally -20 + -8 =-28

hope this helped!!

mart [117]3 years ago
6 0

Answer:

-28

Step-by-step explanation:

−8 + 10 × 4 ÷ (−2)

PEMDAS

Multiply and divide from left to right

−8 + 40 ÷ (−2)

−8 + -20

Then add and subtract

-28

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Answer:

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Step-by-step explanation:

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40 = (1/2) x*x

80 = x^2

square root (80) = x

x=> 8.944.... inch

Rounding off you get 8.9 in.

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3 years ago
Q1) If Q is directly proportional to P and Q = 28 when P = 4, (i) express Q in terms of P, (ii) find the value of Q when P = 5,
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Answer:

Q1)i) Q= 7p

ii) Q= 35

iii) P= 6

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3 years ago
Target is selling a particular toaster oven that costs $27 and is marked up 45% based on cost. Find the markup amount and the se
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Step-by-step explanation:

markup amount = 45% of $27

=> 45/100 * $27

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6 0
2 years ago
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Select all the statements that are true
masya89 [10]

Answer:

Options 2, 4 and 6 are True.

Step-by-step explanation:

Triangle MNO is dilated by a scale factor of \frac{3}{2} centered at M(0, 6).

Rule to be followed to dilate the vertices of the given triangle,

(x, y) → (kx, ky)

Here, k = scale factor

By this rule vertices of the new triangle M'N'O' will be,

M(0, 6) → M'(0, 6) [Coordinates of M' will remain same as M because center of dilation is point M]

N(-4, -4) → N'(-6, -6)

O(6, -2) → O'(9, -3)

Option 1

M'N' is shorter than MN

Distance between M and N = \sqrt{(0+4)^2+(6+4)^2}

                                              = 10.77

Distance between M' and N' = \sqrt{(0+6)^2+(6+6)^2}

                                                = 13.42

Therefore M'N' > MN

Therefore, Option A is False.

Option 2

ON is shorter than O'N'

True.

Option 3

OM is longer than O'M'

False

Option 4

ON is parallel to O'N'

Since OM and MN are dilated with the same scale factor, O'N' will be parallel to ON.

True.

Option 5

OM is parallel than O'M'

Since, O'M' is the dilated form of OM,

Therefore, all the points (O, M and M') will be in a straight line.

False

Option 6

M'N' coincide with MN

True.

Therefore, Options 2, 4 and 6 are True.

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3.16 is the correct answer
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