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3 years ago

Thank you for helping me, if you do

Mathematics

2 answers:

Firdavs [7]3 years ago

7 0

Answer:

x-10

x-10.4

Step-by-step explanation:

Natali [406]3 years ago

4 0

Answer:

i am not sure if this completly helps but here are some options...

Step-by-step explanation:

x $\geq$ - $\frac{94}{9}$

x $\geq$ -10 $\frac{4}{9}$

x $\geq$ -10.4

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The whole number m is a term in an arithmetic sequence with common difference 2. Show that the sum of the term m and the next tw

Igoryamba

Answer:

ThenSn=n(a1+an)2Sn=n(a1 + an)2 , where nn is the number of terms, a1a1 is the first term and anan is the last term. The sum of the first nn terms of an arithmetic sequence is called an arithmetic series .

Step-by-step explanation:

4 0

3 years ago

Rationalise the denominator <br>

Margaret [11]

Step-by-step explanation:

1. $\frac{2 \sqrt{3} }{ \sqrt{5} }$

multiply

$\sqrt{5}$

do both the numerator and denominater

$\frac{2 \sqrt{3} }{ \sqrt{5} } \times \frac{ \sqrt{5} }{ \sqrt{5} } = \frac{2 \sqrt{15} }{ \sqrt{25} } = \frac{2 \sqrt{15} }{5}$

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3 years ago

What is the simplified form of x plus 4 over x squared minus 3x minus 10 ⋅ x minus 3 over x squared plus x minus 12?

masya89 [10]

Answer:

Step-by-step explanation:

−

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(

−

)

8 0

4 years ago

Is x=3 a solution for the equation: 3x + 7 = 13<br> Why or why not ?

expeople1 [14]

Answer:

No.

Step-by-step explanation:

There are two different ways to do this - solve for x in the given equation or substitute the value for x and see if you get a true statement.

3x + 7 = 13 subtract 7 from both sides

3x = 6 divide by 3 on both sides

x = 2

3(3) + 7 = 13

9 + 7 = 13

16 ≠ 13

Therefore, x = 3 is not a solution for 3x + 7 = 13.

5 0

3 years ago

Two supplementary angles are in a ratio of 7:11. find the measures of each angle

Over [174]

Answer:

70° and 110°

Step-by-step explanation:

Supplementary angles sum to 180°

sum the parts of the ratio, 7 + 11 = 18 parts

Divide 180° by 18 to find the value of one part of the ratio.

180° ÷ 18 = 10° ← value of 1 part, thus

7 parts = 7 × 10° = 70°

11 parts = 11 × 10° = 110°

The 2 angles are 70° and 110°

5 0

3 years ago