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3 years ago

Write the phrase as a numerical expression; the product of 5 and 7

Mathematics

1 answer:

steposvetlana [31]3 years ago

8 0

Answer: 12 = 7 + 5

Step-by-step explanation:

12 = 7 + 5

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Rewrite the subtraction number sentence as an addition number sentence.<br>5- (-2)<br>

GrogVix [38]

Answer:

5 + 2

Step-by-step explanation:

We have to rewrite the given statement in addition form.

The integers have property of:

Negative(-) Negative(-) = Positive(+)

Positive(+) Positive(+) = Positive(+)

Positive(+) Negative(-) = Negative(-)

Negative(-) Positive(+) = Negative(-)

The given statement is:

5-(-2)

Since we have two negative together, it is converted into a positive.

Thus, the given statement can be written in positive form as

5 + 2

4 0

3 years ago

Tell whether (2,0) is a solution of y=7x+ 2.

sattari [20]

Answer:

Step-by-step explanation:

7x2=14, 14+2=16, 16 is not 0.

5 0

3 years ago

Read 2 more answers

What is the best estimate of the sum of the fraction? 31/4 +17/3 +8/18

Bogdan [553]

The best estimate of the sum of the expression given is $\rm 13 \dfrac {31}{26}$

What is a Fraction ?

A fraction is written as p/q , where q $\rm \ne$ 0

It is asked to determine the sum of the fraction

31/4 + 17/3 + 8/18

Taking the LCM of 4 , 3 , 18

LCM of 4 , 3 ,18 is 36

Therefore

$\rm \dfrac{ 31 *9 + 17 *12 + 8 *2}{36 }$

(279+204+16) /36

499 / 36

$\rm 13 \dfrac {31}{26}$

Therefore the best estimate of the sum of the expression given is $\rm 13 \dfrac {31}{26}$ .

To know more about Fraction

brainly.com/question/10354322

#SPJ1

3 0

2 years ago

The 3rd and 6th term of a geometric progression are 9/2 and 243/16 respectively find the first term, common ratio, seventh term

sashaice [31]

Answer:

Hello,

Step-by-step explanation:

$Let\ (u_n)\ the\ geometric\ progression.\\\\r\ is\ the\ common\ ratio.\\\\u_3=u_0*r^3\\u_6=u_0*r^6\\\\\dfrac{u_6}{u_3} =r^3=\dfrac{\frac{243}{16} }{\frac{9}{2} } =\dfrac{27}{8} =(\frac{3}{2} )^3\\\\\boxed{r=\dfrac{3}{2} }\\\\\\u_3=u_1*r^2 \Longrightarrow\ u_1=\dfrac{u_3}{r^2} =\dfrac{\frac{9}{2} }{(\frac{3}{2^2}) } =2\\\\\\u_7=u_6*\dfrac{3}{2} =\dfrac{729}{32}$

5 0

3 years ago

The square below represents one whole

Sonja [21]

Answer:

Fraction: 23/100

Decimal: 0.23

Percent: 23%

Step-by-step explanation:

Hope this helps!

8 0

3 years ago