Whats the sum of (-3)+(-5)

Mathematics

2 answers:

Flura [38]3 years ago

8 0

the answer is -8. have a nice day!⭐️

mrs_skeptik [129]3 years ago

6 0

Answer:

-8

Step-by-step explanation:

If you are adding two negative numbers its basically just normal addition but you add the negative sign before. So how i do it is 5+3=8 but with invisible negative signs. So really its -8

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Part AEstimate 10/12 - 3/8 using benchmark values. Your equation must show the estimate for each fraction and the final estimate

ser-zykov [4K]

ANSWER

$\text{The final estimate for the expression is }\frac{11}{24}$

STEP-BY-STEP EXPLANATION

Given information

$\text{Estimate }\frac{10}{12}\text{ - }\frac{3}{8}$

To estimate the above expression, we need to find the factors of the denominators to get the LCM

Factors of 12 = 2 x 2 x 3

Factors of 8 = 2 x 2 x 2

From the above factors, the LCM is 2 x 2 x 2 x 3 = 24

Therefore, LCM is 24

$\begin{gathered} \frac{\frac{10}{12}\text{ - }\frac{3}{8}}{24} \\ \\ =\text{ }\frac{\text{ 24(}\frac{10}{12})\text{ - 24(}\frac{3}{8})}{24} \\ \\ =\text{ }\frac{2(10)\text{ - 3(3)}}{24} \\ =\frac{20\text{ - 9}}{24} \\ =\text{ }\frac{11}{24} \end{gathered}$

4 0

1 year ago

Quadrilaterals ABCD and PQRS shown below are two similar figures.<br>Find the values of x and y.

nadezda [96]

Answer:

x = 12, y = 16

Step-by-step explanation:

Since the figures are similar then the ratios of corresponding sides are equal, that is

$\frac{AD}{PS}$ = $\frac{DC}{SR}$ , substitute values