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elena-s [515]
3 years ago
14

What is the answer to 4-(-1)=

Mathematics
2 answers:
sertanlavr [38]3 years ago
7 0

Answer:

5

Step-by-step explanation:

A rule is that if there is a negative sign before the parenthesis and in the parenthesis next to each other, you make it a addition sign. So it would be 4+1. Which is 5.

liraira [26]3 years ago
7 0

The answer to this problem is 5

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A box of crayons has 12 different coloured crayons in it. 4 crayons are given to one
k0ka [10]

Answer:   34,560

Step-by-step explanation:

Total crayons of different color = 12

Total children = 3

Each child will get 4 crayons.

Number of combinations of selecting <em>r</em> things out of <em>n</em> things = ^nC_r=\dfrac{n!}{r!(n-r)!}

The number of ways of selecting the first 4 crayons for first child = ^{12}C_4=\dfrac{12!}{4!(12-4)!}=\dfrac{12\times11\times10\times9\times8!}{(24)\times 8!}\\\\=495

Colors left = 12-4 =8

Now, the again selecting 4 colors out of 8 for second child = ^{8}C_4=\dfrac{8!}{4!(8-4)!}=\dfrac{8\times7\times6\times5\times4!}{(24)\times4!}=70

Colors left =4

Number of ways of selecting 4 colors out of 4 for third child  =1

Total number of ways = 495 x 70 x 1 = 34650   [By fundamental principle of counting]

Hence, the total number of ways = 34,560.

7 0
4 years ago
What is the answer to this problem written in scientific notation {3 x 10 ^5} . {3 x 10 ^5}?
Dmitry [639]

Answer:

300000 × 300000

Step-by-step explanation:

You add zeros to the number without the exponent (in this case '3') based on the exponent number (in this case '5').

3 0
3 years ago
Read 2 more answers
Given the equation y=14x2−5, the minimum is ___ and the range is ___
mel-nik [20]

Answer:

The minimum is -5

The range is y \ge -5

f(14) = 2739

Step-by-step explanation:

Given

y = 14x^2 - 5

Solving (a): The minimum

A quadratic function is represented as:

y = ax^2 + bx + c

If a > 0, then the function has a minimum

By comparison

a = 14 --- the function has a minimum

b = 0

c = -5

To calculate the minimum, we first calculate the following is calculated as:

m = -\frac{b}{2a}

So, we have:

m = -\frac{0}{2*14}

m = 0

So, the minimum is at f(m)

We have: y = 14x^2 - 5

f(0) = 14 *0^2 - 5

f(0) = - 5

Solving (b): The range

In (a), we have:

f(0) = - 5 --- the minimum

This implies that the smallest value of y on the graph is -5.

So, the range is:

r = \{y|y\ge -5\}

Solving (c): f(14)

We have:

y = 14x^2 - 5

So:

f(14) = 14 * 14^2 - 5

f(14) = 2739

4 0
3 years ago
Harriet made a list of all her monthly expenses. What is Harriet’s total cost for housing in a month? total housing = $ eating o
Debora [2.8K]
$760.. This is addition.
6 0
3 years ago
HELP!!!!! ILL give brainliest rn
valentinak56 [21]

Answer:

Construct one angle bisector of the triangle

Step-by-step explanation:

 

8 0
3 years ago
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