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mel-nik [20]
3 years ago
14

Please help, whats (-2.1) x (-1.4)?

Mathematics
2 answers:
Fed [463]3 years ago
8 0

Two negatives make a positive so your answer is 2.94

cestrela7 [59]3 years ago
4 0
2.94 since two negatives multiplied makes a positive
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If b=p+5 and a=p^2+10p+1 find an expression that equals 2b+3a in standard form
olya-2409 [2.1K]

Answer:

3p² + 32p + 13

Step-by-step explanation:

Okay, so lets first solve for 2b. 2b = 2(p + 5), which is equal to 2p + 10. Now, let's solve for 3a. 3a = 3(p² + 10p +1), simplifying to 3p² + 30p +3. After adding 2b and 3a, we are able to get 2p + 10 + 3p² + 30p + 3 = 3p² + 32p + 13

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A researcher has conducted a survey using a simple random sample of 50 licensed drivers to create a confidence interval to estim
Mama L [17]

Answer: the answer is C.

Step-by-step explanation:

7 0
2 years ago
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a recipe calls for 2 2/3 cups of flour every 1/6 cup of cinnamon.If Richard has 1 cup of cinnamon already in the recipe, how man
Mashcka [7]

Step-by-step explanation:

2 2/3

=><em>If</em> 8/3 = 1/6

x =1

1/6x = 8/3 ( Divide both sides by <em>1</em><em>/</em><em>6</em><em> </em>)

___ ___

1/6 1/6

(By cross-multiplying the numerators and denominators)

=> 1×6 8×6

___ x = ___

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Cancelling out , we have

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1 × 1

<em>The</em><em> </em><em>final</em><em> </em><em>answer</em><em> </em><em>becomes</em><em> </em><em>1</em><em>6</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em>

6 0
3 years ago
Identify the steps needed to evaluate the expression below.<br><br> 8×1+(8+9)−38÷2×5
lbvjy [14]
First calculate the sum or difference: 8+(8+9)-19 x 5.
Second calculate the product or quotient: 8+17-19 x 5
Third calculate the sum: 8+17-95
Lastly subtract 25 - 95.


Then your answer is -70. Please give brainliest!
4 0
2 years ago
Solve for xx. Round to the nearest tenth of a degree, if necessary.
Tanya [424]

Answer:

56.6 °

Step-by-step explanation:

For a RIGHT triangle    cos (x ) = adjacent leg / hypotenuse

                                      cos (x) = 4.4 / 8

                                            arc  cos (4.4/8) = 56.63 °  = ~ 56.6°

8 0
1 year ago
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