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grin007 [14]
3 years ago
13

What is the value of the expression-2(-3+-1)

Mathematics
2 answers:
dusya [7]3 years ago
8 0

Answer:

-8

Step-by-step explanation:

<h2><u>Finding the value of an expression</u></h2>

<h3><em><u>make use of the BODMAS rule</u></em></h3>

B- brackets

O - of

D- division

M- multiplication

A-addition

S- subtraction

<h3>solve what is in brackets first . </h3>

this is :

-3 + -1

= -4

<h3>now multiply by the value outside he brackets</h3>

-4 * 2

=<u> -8</u>

<u>the value of the expression is -8 </u>

Deffense [45]3 years ago
3 0

Answer:

-4

Step-by-step explanation:

2(-3+1)

Distribute: -6 - (-2)

Answer: -4

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A can of tennis balls costs $6. The total cost c of n cans, including sales tax t, is given by the equation c = 6n + t. Which is
lora16 [44]

Answer:

The reason why c = 6n + t is the same as c - t = 6n is because c is the sum of the addition problem. 6n and t are the addends. The inverse operation for addition is subtraction. c is the cost that will be reduced by t. The answer is still 6n.

3 0
3 years ago
Which of the following sample types should you always regard as unreliable? A) voluntary response samples 18) 9 simple random sa
Inessa [10]

Answer:

The type of sample that can be considered unreliable is type (a), in which responses are voluntary.

Step-by-step explanation:

The type of sample that can be considered unreliable is type (a), in which responses are voluntary.

It can be considered unreliable because being voluntary, the answers will give a biased result and the analysis will not be valid.

The rest of the options, if the necessary collections are taken, are samples that can be considered reliable.

4 0
3 years ago
Triangles are similar. solve for x
stepan [7]

Answer:

Value of x = 7/5

Step-by-step explanation:

Given:

ΔVUW ≅ ΔUST

Find:

Value of x

Computation:

We know that;

ΔVUW ≅ ΔUST

So,

VU = US (By CPCT)

So,

5x + 11 = 18

5x = 7

Value of x = 7/5

3 0
3 years ago
How is the interest rate on a payday loan calculated?
snow_lady [41]

Answer:

b. total fees divided by loan amount

Step-by-step explanation:

The interest rate on a payday loan is usually calculated by dividing the total fees accrued in the loan repayment calculation by the exact loan amount.

Doing this will result in determining the interest rate used in a loan and it’s usually important to ensure accountability and also making sure the exact rate contained in the Loan application agreement Is the same as what is used later on.

3 0
3 years ago
Read 2 more answers
The balance in Al's account is $ 32.60 . The balance in Dee's account is 3 4 the balance in Al's account. The balance in Zac's a
shtirl [24]

Answer:

Balance in Zac's account = - $24.63

Step-by-step explanation:

Given:

Balance in Al's account = $32.60

Balance in Dee's account = 3/4 the balance in Al's account

Balance in Zac's account = balance in Dee's account - $49.08

Find:

Balance in Zac's account

Computation:

Balance in Dee's account = 3/4 the balance in Al's account

Balance in Dee's account = [3/4][32.60]

Balance in Dee's account = $24.45

Balance in Zac's account = balance in Dee's account - $49.08

Balance in Zac's account = $24.45 - $49.08

Balance in Zac's account = - $24.63

7 0
3 years ago
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