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Andreas93 [3]
3 years ago
9

Which expression is equivalent to - (4-3)

Mathematics
2 answers:
LenaWriter [7]3 years ago
5 0
This is equivalent to -1 ( 4 - 3 )
which simplified is -1
because 4-3 is 1 and 1 times -1 is -1

Hope this helps ;)
snow_lady [41]3 years ago
4 0

Answer:

Equivalent expression = - 1.

Step-by-step explanation:

Given : - (4-3)

To find : Which expression is equivalent.

Solution : We have given - (4 - 3).

Distributes - over (4 - 3).

- 4 + 3.

- 1.

Therefore, Equivalent expression = - 1.

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I will mark u as the brainiest if u get this correct<br> thx x
mel-nik [20]

Answer:

189 cm^2

Step-by-step explanation:

12 cm (a) is unneeded information

8 0
3 years ago
Mateo built the skateboard ramp below and filled it with pebbles to make it more stable.
bagirrra123 [75]

Answer:

The shape can be broken into a rectangular prism and a triangular prism.

The volume of the ramp is 24 feet cubed.

Step-by-step explanation:

The ramp has a rectangular prism and triangular prism. The combined shape makes the ramp.

The volume of a rectangular prism = Bh

where

B = base area

B = length × width

h = height

volume = 1.5 × 4.8 × 2 = 14.4  ft³

The volume of a triangular prism = base area + slant height

volume = 1/2 b × h × l

where

b = base of the triangle

h = height of the triangle

l = slant height of the prism

volume = 1/2 × 2 × 2 × 4.8 = 19.2/2 = 9.6  ft³

The volume of the ramp = 14.4 + 9.6 = 24 ft³

5 0
3 years ago
Read 2 more answers
An automobile manufacturer claims that its jeep has a 53.9 miles/gallon (MPG) rating. An independent testing firm has been contr
Advocard [28]

Answer:

Value of the test statistic, z_{test}  = - 1.17

Step-by-step explanation:

Null hypothesis, H_{0}: \mu = 53.9

Alternative hypothesis, H_{a} : \mu \neq 53.9

Sample mean, \bar{X} = 53.7

Sample size, n = 110

Standard deviation, \sigma = 1.8

Significance level, \alpha = 0.02

The value of the test statistics is given by the formula:

z_{test}  = \frac{\bar{X} - \mu}{\frac{\sigma}{\sqrt{n} } } \\z_{test}  = \frac{53.7 - 53.9}{\frac{1.8}{\sqrt{110} } } \\z_{test}  = - 1.17

7 0
2 years ago
Suppose that Bob leaves a job that pays $100,000 per year in order to open a new sponge business. His insurance cost is $8,000,
tensa zangetsu [6.8K]

Answer:

-$11,000 is the economic profit or we can say it is a loss.

Step-by-step explanation:

The job paid Bob = $100000

The insurance cost is = $8,000

The material cost is = $15,000

The lease payments are = $8,000

The sales revenue is $120,000.

So, Bob's economic profit is: 120000-100000-8000-15000-8000=-11000

Therefore, his economic profit is -$11000.

5 0
3 years ago
Calculate the density of a material that has a mass of 100 g and a volume of 25<br> cm 3 .
irakobra [83]
4g/cm^3

D = M/V
100g/25cm^3 = 4g/cm^3
5 0
3 years ago
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